252311264 has 12 divisors (see below), whose sum is σ = 496737864. Its totient is φ = 126155616.

The previous prime is 252311233. The next prime is 252311329. The reversal of 252311264 is 462113252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3942332 + ... + 3942395.

It is an arithmetic number, because the mean of its divisors is an integer number (41394822).

Almost surely, 2^252311264 is an apocalyptic number.

It is an amenable number.

252311264 is a deficient number, since it is larger than the sum of its proper divisors (244426600).

252311264 is an equidigital number, since it uses as much as digits as its factorization.

252311264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884737 (or 7884729 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 252311264 is about 15884.3087353526. The cubic root of 252311264 is about 631.8959129978.

The spelling of 252311264 in words is "two hundred fifty-two million, three hundred eleven thousand, two hundred sixty-four".