252556768 has 24 divisors (see below), whose sum is σ = 504646632. Its totient is φ = 124392576.

The previous prime is 252556751. The next prime is 252556769. The reversal of 252556768 is 867655252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252556769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56755 + ... + 61042.

It is an arithmetic number, because the mean of its divisors is an integer number (21026943).

Almost surely, 2^252556768 is an apocalyptic number.

It is an amenable number.

252556768 is a deficient number, since it is larger than the sum of its proper divisors (252089864).

252556768 is a wasteful number, since it uses less digits than its factorization.

252556768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117874 (or 117866 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 252556768 is about 15892.0347344196. The cubic root of 252556768 is about 632.1007957592.

It can be divided in two parts, 25255 and 6768, that added together give a palindrome (32023).

The spelling of 252556768 in words is "two hundred fifty-two million, five hundred fifty-six thousand, seven hundred sixty-eight".