252786264 has 16 divisors (see below), whose sum is σ = 631965720. Its totient is φ = 84262080.

The previous prime is 252786253. The next prime is 252786269. The reversal of 252786264 is 462687252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252786269) 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 3 ways as a sum of consecutive naturals, for example, 5266357 + ... + 5266404.

Almost surely, 2^252786264 is an apocalyptic number.

252786264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252786264 is an abundant number, since it is smaller than the sum of its proper divisors (379179456).

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

252786264 is a wasteful number, since it uses less digits than its factorization.

252786264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532770 (or 10532766 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 252786264 is about 15899.2535673849. The cubic root of 252786264 is about 632.2921991784.

The spelling of 252786264 in words is "two hundred fifty-two million, seven hundred eighty-six thousand, two hundred sixty-four".