525132864 has 42 divisors (see below), whose sum is σ = 1505200190. Its totient is φ = 175044096.

The previous prime is 525132859. The next prime is 525132967. The reversal of 525132864 is 468231525.

It can be written as a sum of positive squares in only one way, i.e., 432972864 + 92160000 = 20808^2 + 9600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455269 + ... + 456420.

Almost surely, 2^525132864 is an apocalyptic number.

It is an amenable number.

525132864 is an abundant number, since it is smaller than the sum of its proper divisors (980067326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525132864 is a wasteful number, since it uses less digits than its factorization.

525132864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911707 (or 911694 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 525132864 is about 22915.7776215428. Note that the first 3 decimals coincide. The cubic root of 525132864 is about 806.7823701560.

The spelling of 525132864 in words is "five hundred twenty-five million, one hundred thirty-two thousand, eight hundred sixty-four".