252564465 has 8 divisors (see below), whose sum is σ = 404103168. Its totient is φ = 134701040.

The previous prime is 252564439. The next prime is 252564497. The reversal of 252564465 is 564465252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252564465 - 2⁸ = 252564209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8418801 + ... + 8418830.

It is an arithmetic number, because the mean of its divisors is an integer number (50512896).

Almost surely, 2^252564465 is an apocalyptic number.

It is an amenable number.

252564465 is a deficient number, since it is larger than the sum of its proper divisors (151538703).

252564465 is a wasteful number, since it uses less digits than its factorization.

252564465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16837639.

The product of its digits is 288000, while the sum is 39.

The square root of 252564465 is about 15892.2768979149. The cubic root of 252564465 is about 632.1072170620.

The spelling of 252564465 in words is "two hundred fifty-two million, five hundred sixty-four thousand, four hundred sixty-five".