252759831 has 8 divisors (see below), whose sum is σ = 354750720. Its totient is φ = 159637752.

The previous prime is 252759779. The next prime is 252759841. The reversal of 252759831 is 138957252.

It is a happy number.

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

It is not a de Polignac number, because 252759831 - 2²⁷ = 118542103 is a prime.

It is a super-2 number, since 2×252759831² = 127775064334297122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252759841) 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, 2217135 + ... + 2217248.

It is an arithmetic number, because the mean of its divisors is an integer number (44343840).

Almost surely, 2^252759831 is an apocalyptic number.

252759831 is a deficient number, since it is larger than the sum of its proper divisors (101990889).

252759831 is a wasteful number, since it uses less digits than its factorization.

252759831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434405.

The product of its digits is 151200, while the sum is 42.

The square root of 252759831 is about 15898.4222802138. The cubic root of 252759831 is about 632.2701595285.

The spelling of 252759831 in words is "two hundred fifty-two million, seven hundred fifty-nine thousand, eight hundred thirty-one".