252576665 has 8 divisors (see below), whose sum is σ = 330645888. Its totient is φ = 183692080.

The previous prime is 252576647. The next prime is 252576673. The reversal of 252576665 is 566675252.

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

It is not a de Polignac number, because 252576665 - 2⁶ = 252576601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296097 + ... + 2296206.

It is an arithmetic number, because the mean of its divisors is an integer number (41330736).

Almost surely, 2^252576665 is an apocalyptic number.

It is an amenable number.

252576665 is a deficient number, since it is larger than the sum of its proper divisors (78069223).

252576665 is a wasteful number, since it uses less digits than its factorization.

252576665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592319.

The product of its digits is 756000, while the sum is 44.

The square root of 252576665 is about 15892.6607275182. The cubic root of 252576665 is about 632.1173947723.

The spelling of 252576665 in words is "two hundred fifty-two million, five hundred seventy-six thousand, six hundred sixty-five".