252765772 has 24 divisors (see below), whose sum is σ = 505934240. Its totient is φ = 108241920.

The previous prime is 252765767. The next prime is 252765781. The reversal of 252765772 is 277567252.

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 7 ways as a sum of consecutive naturals, for example, 42604 + ... + 48172.

Almost surely, 2^252765772 is an apocalyptic number.

It is an amenable number.

252765772 is an abundant number, since it is smaller than the sum of its proper divisors (253168468).

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

252765772 is a wasteful number, since it uses less digits than its factorization.

252765772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201 (or 7199 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 252765772 is about 15898.6091215553. The cubic root of 252765772 is about 632.2751132264.

The spelling of 252765772 in words is "two hundred fifty-two million, seven hundred sixty-five thousand, seven hundred seventy-two".