252740368 has 30 divisors (see below), whose sum is σ = 493398542. Its totient is φ = 125418240.

The previous prime is 252740363. The next prime is 252740393. The reversal of 252740368 is 863047252.

It can be written as a sum of positive squares in only one way, i.e., 168688144 + 84052224 = 12988^2 + 9168^2 .

It is not an unprimeable number, because it can be changed into a prime (252740363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583480 + ... + 583912.

Almost surely, 2^252740368 is an apocalyptic number.

It is an amenable number.

252740368 is a deficient number, since it is larger than the sum of its proper divisors (240658174).

252740368 is an equidigital number, since it uses as much as digits as its factorization.

252740368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 252740368 is about 15897.8101636672. The cubic root of 252740368 is about 632.2539304334.

The spelling of 252740368 in words is "two hundred fifty-two million, seven hundred forty thousand, three hundred sixty-eight".