252052217 has 12 divisors (see below), whose sum is σ = 269020416. Its totient is φ = 236101440.

The previous prime is 252052181. The next prime is 252052231. The reversal of 252052217 is 712250252.

It is not a de Polignac number, because 252052217 - 2¹⁰ = 252051193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252052247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 62492 + ... + 66402.

It is an arithmetic number, because the mean of its divisors is an integer number (22418368).

Almost surely, 2^252052217 is an apocalyptic number.

It is an amenable number.

252052217 is a deficient number, since it is larger than the sum of its proper divisors (16968199).

252052217 is a wasteful number, since it uses less digits than its factorization.

252052217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4151 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 252052217 is about 15876.1524621049. The cubic root of 252052217 is about 631.6795839152.

The spelling of 252052217 in words is "two hundred fifty-two million, fifty-two thousand, two hundred seventeen".