252311464 has 16 divisors (see below), whose sum is σ = 479073600. Its totient is φ = 124558512.

The previous prime is 252311461. The next prime is 252311489. The reversal of 252311464 is 464113252.

It is a super-2 number, since 2×252311464² = 127322149731646592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252311461) 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, 198982 + ... + 200245.

It is an arithmetic number, because the mean of its divisors is an integer number (29942100).

Almost surely, 2^252311464 is an apocalyptic number.

It is an amenable number.

252311464 is a deficient number, since it is larger than the sum of its proper divisors (226762136).

252311464 is a wasteful number, since it uses less digits than its factorization.

252311464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399312 (or 399308 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 252311464 is about 15884.3150308724. The cubic root of 252311464 is about 631.8960799597.

The spelling of 252311464 in words is "two hundred fifty-two million, three hundred eleven thousand, four hundred sixty-four".