252351017 has 2 divisors, whose sum is σ = 252351018. Its totient is φ = 252351016.

The previous prime is 252350993. The next prime is 252351031. The reversal of 252351017 is 710153252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224430361 + 27920656 = 14981^2 + 5284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252351017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252351097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126175508 + 126175509.

It is an arithmetic number, because the mean of its divisors is an integer number (126175509).

Almost surely, 2^252351017 is an apocalyptic number.

It is an amenable number.

252351017 is a deficient number, since it is larger than the sum of its proper divisors (1).

252351017 is an equidigital number, since it uses as much as digits as its factorization.

252351017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 252351017 is about 15885.5600153095. The cubic root of 252351017 is about 631.9290974577.

The spelling of 252351017 in words is "two hundred fifty-two million, three hundred fifty-one thousand, seventeen".