252494017 has 2 divisors, whose sum is σ = 252494018. Its totient is φ = 252494016.

The previous prime is 252494003. The next prime is 252494029. The reversal of 252494017 is 710494252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251032336 + 1461681 = 15844^2 + 1209^2 .

It is a cyclic number.

It is not a de Polignac number, because 252494017 - 2⁷ = 252493889 is a prime.

It is equal to p_13808275 and since 252494017 and 13808275 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (252494057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126247008 + 126247009.

It is an arithmetic number, because the mean of its divisors is an integer number (126247009).

Almost surely, 2^252494017 is an apocalyptic number.

It is an amenable number.

252494017 is a deficient number, since it is larger than the sum of its proper divisors (1).

252494017 is an equidigital number, since it uses as much as digits as its factorization.

252494017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 252494017 is about 15890.0603208421. The cubic root of 252494017 is about 632.0484402131.

The spelling of 252494017 in words is "two hundred fifty-two million, four hundred ninety-four thousand, seventeen".