525429988 has 24 divisors (see below), whose sum is σ = 936384512. Its totient is φ = 257935104.

The previous prime is 525429959. The next prime is 525429991. The reversal of 525429988 is 889924525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43945 + ... + 54607.

Almost surely, 2^525429988 is an apocalyptic number.

It is an amenable number.

525429988 is a deficient number, since it is larger than the sum of its proper divisors (410954524).

525429988 is a wasteful number, since it uses less digits than its factorization.

525429988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891 (or 10889 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The square root of 525429988 is about 22922.2596617349. The cubic root of 525429988 is about 806.9345025811.

The spelling of 525429988 in words is "five hundred twenty-five million, four hundred twenty-nine thousand, nine hundred eighty-eight".