252539279 has 12 divisors (see below), whose sum is σ = 275404200. Its totient is φ = 230656608.

The previous prime is 252539269. The next prime is 252539351. The reversal of 252539279 is 972935252.

It is not a de Polignac number, because 252539279 - 2²⁴ = 235762063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252539219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372689 + ... + 373365.

It is an arithmetic number, because the mean of its divisors is an integer number (22950350).

Almost surely, 2^252539279 is an apocalyptic number.

252539279 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

252539279 is a deficient number, since it is larger than the sum of its proper divisors (22864921).

252539279 is an frugal number, since it uses more digits than its factorization.

252539279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 725 counting only the distinct ones).

The product of its digits is 340200, while the sum is 44.

The square root of 252539279 is about 15891.4844806897. The cubic root of 252539279 is about 632.0862048931.

The spelling of 252539279 in words is "two hundred fifty-two million, five hundred thirty-nine thousand, two hundred seventy-nine".