252864426 has 32 divisors (see below), whose sum is σ = 563664960. Its totient is φ = 75154176.

The previous prime is 252864389. The next prime is 252864463. The reversal of 252864426 is 624468252.

It is an interprime number because it is at equal distance from previous prime (252864389) and next prime (252864463).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63301 + ... + 67176.

It is an arithmetic number, because the mean of its divisors is an integer number (17614530).

Almost surely, 2^252864426 is an apocalyptic number.

252864426 is an abundant number, since it is smaller than the sum of its proper divisors (310800534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252864426 is a wasteful number, since it uses less digits than its factorization.

252864426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130518.

The product of its digits is 184320, while the sum is 39.

The square root of 252864426 is about 15901.7114173286. The cubic root of 252864426 is about 632.3573611183.

The spelling of 252864426 in words is "two hundred fifty-two million, eight hundred sixty-four thousand, four hundred twenty-six".