525720132 has 60 divisors (see below), whose sum is σ = 1570676800. Its totient is φ = 150205104.

The previous prime is 525720089. The next prime is 525720157. The reversal of 525720132 is 231027525.

525720132 is a `hidden beast` number, since 525 + 7 + 2 + 0 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 525720096 and 525720105.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113632 + ... + 118167.

Almost surely, 2^525720132 is an apocalyptic number.

It is an amenable number.

525720132 is an abundant number, since it is smaller than the sum of its proper divisors (1044956668).

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

525720132 is a wasteful number, since it uses less digits than its factorization.

525720132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231822 (or 231811 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 525720132 is about 22928.5876582052. The cubic root of 525720132 is about 807.0830057929.

Adding to 525720132 its reverse (231027525), we get a palindrome (756747657).

The spelling of 525720132 in words is "five hundred twenty-five million, seven hundred twenty thousand, one hundred thirty-two".