252772172 has 6 divisors (see below), whose sum is σ = 442351308. Its totient is φ = 126386084.

The previous prime is 252772159. The next prime is 252772213. The reversal of 252772172 is 271277252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31596518 + ... + 31596525.

It is an arithmetic number, because the mean of its divisors is an integer number (73725218).

Almost surely, 2^252772172 is an apocalyptic number.

It is an amenable number.

252772172 is a deficient number, since it is larger than the sum of its proper divisors (189579136).

252772172 is a wasteful number, since it uses less digits than its factorization.

252772172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63193047 (or 63193045 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 252772172 is about 15898.8103957497. The cubic root of 252772172 is about 632.2804495589.

The spelling of 252772172 in words is "two hundred fifty-two million, seven hundred seventy-two thousand, one hundred seventy-two".