252382536 has 72 divisors (see below), whose sum is σ = 795144870. Its totient is φ = 72108288.

The previous prime is 252382489. The next prime is 252382549. The reversal of 252382536 is 635283252.

252382536 is a `hidden beast` number, since 2 + 523 + 82 + 53 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 224820036 + 27562500 = 14994^2 + 5250^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 252382536.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32241 + ... + 39296.

Almost surely, 2^252382536 is an apocalyptic number.

It is an amenable number.

252382536 is an abundant number, since it is smaller than the sum of its proper divisors (542762334).

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

252382536 is a wasteful number, since it uses less digits than its factorization.

252382536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71563 (or 71549 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 252382536 is about 15886.5520488242. The cubic root of 252382536 is about 631.9554059760.

The spelling of 252382536 in words is "two hundred fifty-two million, three hundred eighty-two thousand, five hundred thirty-six".