252365917 has 8 divisors (see below), whose sum is σ = 262311840. Its totient is φ = 242502960.

The previous prime is 252365909. The next prime is 252365921. The reversal of 252365917 is 719563252.

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

It is a cyclic number.

It is not a de Polignac number, because 252365917 - 2³ = 252365909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252365917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252365987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14503 + ... + 26740.

It is an arithmetic number, because the mean of its divisors is an integer number (32788980).

Almost surely, 2^252365917 is an apocalyptic number.

It is an amenable number.

252365917 is a deficient number, since it is larger than the sum of its proper divisors (9945923).

252365917 is a wasteful number, since it uses less digits than its factorization.

252365917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41483.

The product of its digits is 113400, while the sum is 40.

The square root of 252365917 is about 15886.0289877615. The cubic root of 252365917 is about 631.9415345759.

The spelling of 252365917 in words is "two hundred fifty-two million, three hundred sixty-five thousand, nine hundred seventeen".