252804 has 12 divisors (see below), whose sum is σ = 589904. Its totient is φ = 84264.

The previous prime is 252779. The next prime is 252817. The reversal of 252804 is 408252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252804.

It is an unprimeable number.

252804 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10522 + ... + 10545.

2²⁵²⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

252804 is an abundant number, since it is smaller than the sum of its proper divisors (337100).

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

252804 is a wasteful number, since it uses less digits than its factorization.

252804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21074 (or 21072 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 252804 is about 502.7961813697. The cubic root of 252804 is about 63.2306986469.

The spelling of 252804 in words is "two hundred fifty-two thousand, eight hundred four".