252046817 has 4 divisors (see below), whose sum is σ = 274960176. Its totient is φ = 229133460.

The previous prime is 252046787. The next prime is 252046819. The reversal of 252046817 is 718640252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252046817 - 2¹⁴ = 252030433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252046819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11456663 + ... + 11456684.

It is an arithmetic number, because the mean of its divisors is an integer number (68740044).

Almost surely, 2^252046817 is an apocalyptic number.

It is an amenable number.

252046817 is a deficient number, since it is larger than the sum of its proper divisors (22913359).

252046817 is a wasteful number, since it uses less digits than its factorization.

252046817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22913358.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 252046817 is about 15875.9823948000. The cubic root of 252046817 is about 631.6750728207.

The spelling of 252046817 in words is "two hundred fifty-two million, forty-six thousand, eight hundred seventeen".