252030017 has 2 divisors, whose sum is σ = 252030018. Its totient is φ = 252030016.

The previous prime is 252030013. The next prime is 252030019. The reversal of 252030017 is 710030252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251888641 + 141376 = 15871^2 + 376^2 .

It is a cyclic number.

It is not a de Polignac number, because 252030017 - 2² = 252030013 is a prime.

Together with 252030019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252030013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126015008 + 126015009.

It is an arithmetic number, because the mean of its divisors is an integer number (126015009).

Almost surely, 2^252030017 is an apocalyptic number.

It is an amenable number.

252030017 is a deficient number, since it is larger than the sum of its proper divisors (1).

252030017 is an equidigital number, since it uses as much as digits as its factorization.

252030017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 252030017 is about 15875.4532848672. The cubic root of 252030017 is about 631.6610378924.

Adding to 252030017 its reverse (710030252), we get a palindrome (962060269).

The spelling of 252030017 in words is "two hundred fifty-two million, thirty thousand, seventeen".