51525113 has 16 divisors (see below), whose sum is σ = 56712960. Its totient is φ = 46615296.

The previous prime is 51525107. The next prime is 51525161. The reversal of 51525113 is 31152515.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51525113 - 2⁸ = 51524857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51525163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46595 + ... + 47687.

It is an arithmetic number, because the mean of its divisors is an integer number (3544560).

Almost surely, 2^51525113 is an apocalyptic number.

It is an amenable number.

51525113 is a deficient number, since it is larger than the sum of its proper divisors (5187847).

51525113 is a wasteful number, since it uses less digits than its factorization.

51525113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its digits is 750, while the sum is 23.

The square root of 51525113 is about 7178.0995395717. The cubic root of 51525113 is about 372.1114077427. Note that the first 3 decimals are identical.

Adding to 51525113 its reverse (31152515), we get a palindrome (82677628).

The spelling of 51525113 in words is "fifty-one million, five hundred twenty-five thousand, one hundred thirteen".