252716217 has 8 divisors (see below), whose sum is σ = 362874624. Its totient is φ = 155517648.

The previous prime is 252716213. The next prime is 252716221. The reversal of 252716217 is 712617252.

It is an interprime number because it is at equal distance from previous prime (252716213) and next prime (252716221).

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

It is not a de Polignac number, because 252716217 - 2² = 252716213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252716213) 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, 3239913 + ... + 3239990.

It is an arithmetic number, because the mean of its divisors is an integer number (45359328).

Almost surely, 2^252716217 is an apocalyptic number.

It is an amenable number.

252716217 is a deficient number, since it is larger than the sum of its proper divisors (110158407).

252716217 is a wasteful number, since it uses less digits than its factorization.

252716217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479919.

The product of its digits is 11760, while the sum is 33.

The square root of 252716217 is about 15897.0505754998. The cubic root of 252716217 is about 632.2337911218.

The spelling of 252716217 in words is "two hundred fifty-two million, seven hundred sixteen thousand, two hundred seventeen".