Properties of the number

Number length
Sum of digits
Multiplication of digits
of 25 = 0.25
/2 12.5 /3 8.3333333333333 /4 6.25 /5 5 /6 4.1666666666667 /7 3.5714285714286 /8 3.125 /9 2.7777777777778 /10 2.5 /11 2.2727272727273 /12 2.0833333333333 /13 1.9230769230769 /14 1.7857142857143 /15 1.6666666666667 /16 1.5625 /17 1.4705882352941 /18 1.3888888888889 /19 1.3157894736842 /20 1.25
Parity
Odd
Is a prime number?
No
Next prime number
Is a composite number?
Yes
Is a semiprime number?
Yes
Is a linear number?
No
Is a square pyramidal number?
No
Triangular number
(T25)Is an abundant number?
No, it's a deficient number
Is a Fibonacci number?
No
Is a Harshad number?
(Niven number)No
Count of divisors
Sum of divisors
Multiplication of divisors
Factoring
(prime factors)52
Factorial
15511210043330985984000000
Inverse number
0.04
Exponentiation
2 625 3 15625 4 390625 5 9765625 6 244140625 7 6103515625 8 152587890625 9 3814697265625 10 95367431640625
2√ 5 3√ 2.9240177382129 4√ 2.2360679774998 5√ 1.9036539387159 6√ 1.7099759466767 7√ 1.5838196087666 8√ 1.4953487812212 9√ 1.4299691483087 10√ 1.3797296614612 1.3399403191028
Square root and remainder
52 + 0
Is a perfect square?
Yes
Is a perfect cube?
No
Natural logarithm
(loge)3.2188758248682
Common logarithm
(log10)1.397940008672
Binary logarithm
(log2)4.6438561897747