252079217 has 12 divisors (see below), whose sum is σ = 276265584. Its totient is φ = 229872240.

The previous prime is 252079207. The next prime is 252079231. The reversal of 252079217 is 712970252.

252079217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252079217 - 2⁶ = 252079153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252079207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5042 + ... + 23012.

It is an arithmetic number, because the mean of its divisors is an integer number (23022132).

Almost surely, 2^252079217 is an apocalyptic number.

It is an amenable number.

252079217 is a deficient number, since it is larger than the sum of its proper divisors (24186367).

252079217 is a wasteful number, since it uses less digits than its factorization.

252079217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18080 (or 18067 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 252079217 is about 15877.0027713042. The cubic root of 252079217 is about 631.7021384213.

The spelling of 252079217 in words is "two hundred fifty-two million, seventy-nine thousand, two hundred seventeen".