252775317 has 16 divisors (see below), whose sum is σ = 340377408. Its totient is φ = 166853760.

The previous prime is 252775309. The next prime is 252775319. The reversal of 252775317 is 713577252.

It is not a de Polignac number, because 252775317 - 2³ = 252775309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252775319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 146017 + ... + 147737.

It is an arithmetic number, because the mean of its divisors is an integer number (21273588).

Almost surely, 2^252775317 is an apocalyptic number.

It is an amenable number.

252775317 is a deficient number, since it is larger than the sum of its proper divisors (87602091).

252775317 is a wasteful number, since it uses less digits than its factorization.

252775317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its digits is 102900, while the sum is 39.

The square root of 252775317 is about 15898.9093022132. The cubic root of 252775317 is about 632.2830718330.

The spelling of 252775317 in words is "two hundred fifty-two million, seven hundred seventy-five thousand, three hundred seventeen".