525400113 has 16 divisors (see below), whose sum is σ = 847704960. Its totient is φ = 282567936.

The previous prime is 525400091. The next prime is 525400129. The reversal of 525400113 is 311004525.

It is not a de Polignac number, because 525400113 - 2⁶ = 525400049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 525400113.

It is not an unprimeable number, because it can be changed into a prime (525405113) 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, 735498 + ... + 736211.

It is an arithmetic number, because the mean of its divisors is an integer number (52981560).

Almost surely, 2^525400113 is an apocalyptic number.

It is an amenable number.

525400113 is a deficient number, since it is larger than the sum of its proper divisors (322304847).

525400113 is a wasteful number, since it uses less digits than its factorization.

525400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471736.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 525400113 is about 22921.6079933324. The cubic root of 525400113 is about 806.9192086785.

Adding to 525400113 its reverse (311004525), we get a palindrome (836404638).

The spelling of 525400113 in words is "five hundred twenty-five million, four hundred thousand, one hundred thirteen".