525524113431 has 64 divisors (see below), whose sum is σ = 860987750400. Its totient is φ = 315112647168.

The previous prime is 525524113409. The next prime is 525524113441. The reversal of 525524113431 is 134311425525.

525524113431 is a `hidden beast` number, since 5 + 2 + 552 + 41 + 1 + 34 + 31 = 666.

It is not a de Polignac number, because 525524113431 - 2³⁰ = 524450371607 is a prime.

It is a super-2 number, since 2×525524113431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525524113441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11685270 + ... + 11730156.

It is an arithmetic number, because the mean of its divisors is an integer number (13452933600).

Almost surely, 2^525524113431 is an apocalyptic number.

525524113431 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

525524113431 is a deficient number, since it is larger than the sum of its proper divisors (335463636969).

525524113431 is a wasteful number, since it uses less digits than its factorization.

525524113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46045 (or 46039 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 525524113431 its reverse (134311425525), we get a palindrome (659835538956).

The spelling of 525524113431 in words is "five hundred twenty-five billion, five hundred twenty-four million, one hundred thirteen thousand, four hundred thirty-one".