252379239 has 8 divisors (see below), whose sum is σ = 384577920. Its totient is φ = 144216696.

The previous prime is 252379219. The next prime is 252379241. The reversal of 252379239 is 932973252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252379239 - 2⁹ = 252378727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252379239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252379219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6009009 + ... + 6009050.

It is an arithmetic number, because the mean of its divisors is an integer number (48072240).

Almost surely, 2^252379239 is an apocalyptic number.

252379239 is a deficient number, since it is larger than the sum of its proper divisors (132198681).

252379239 is a wasteful number, since it uses less digits than its factorization.

252379239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018069.

The product of its digits is 204120, while the sum is 42.

The square root of 252379239 is about 15886.4482814756. The cubic root of 252379239 is about 631.9526541136.

The spelling of 252379239 in words is "two hundred fifty-two million, three hundred seventy-nine thousand, two hundred thirty-nine".