252871992 has 48 divisors (see below), whose sum is σ = 700797240. Its totient is φ = 82329408.

The previous prime is 252871987. The next prime is 252872027. The reversal of 252871992 is 299178252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37743 + ... + 43934.

Almost surely, 2^252871992 is an apocalyptic number.

It is an amenable number.

252871992 is an abundant number, since it is smaller than the sum of its proper divisors (447925248).

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

252871992 is a wasteful number, since it uses less digits than its factorization.

252871992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81732 (or 81725 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 252871992 is about 15901.9493144709. The cubic root of 252871992 is about 632.3636680132.

The spelling of 252871992 in words is "two hundred fifty-two million, eight hundred seventy-one thousand, nine hundred ninety-two".