252045310 has 32 divisors (see below), whose sum is σ = 498731904. Its totient is φ = 90948000.

The previous prime is 252045307. The next prime is 252045329. The reversal of 252045310 is 13540252.

It is a super-2 number, since 2×252045310² = 127053676585992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5665 + ... + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (15585372).

Almost surely, 2^252045310 is an apocalyptic number.

252045310 is a deficient number, since it is larger than the sum of its proper divisors (246686594).

252045310 is a wasteful number, since it uses less digits than its factorization.

252045310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 252045310 is about 15875.9349330992. The cubic root of 252045310 is about 631.6738138797.

Adding to 252045310 its reverse (13540252), we get a palindrome (265585562).

The spelling of 252045310 in words is "two hundred fifty-two million, forty-five thousand, three hundred ten".