252616313 has 2 divisors, whose sum is σ = 252616314. Its totient is φ = 252616312.

The previous prime is 252616283. The next prime is 252616327. The reversal of 252616313 is 313616252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179479609 + 73136704 = 13397^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 252616313 - 2⁶ = 252616249 is a prime.

It is not a weakly prime, because it can be changed into another prime (252616363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126308156 + 126308157.

It is an arithmetic number, because the mean of its divisors is an integer number (126308157).

Almost surely, 2^252616313 is an apocalyptic number.

It is an amenable number.

252616313 is a deficient number, since it is larger than the sum of its proper divisors (1).

252616313 is an equidigital number, since it uses as much as digits as its factorization.

252616313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 252616313 is about 15893.9080467958. The cubic root of 252616313 is about 632.1504683993.

The spelling of 252616313 in words is "two hundred fifty-two million, six hundred sixteen thousand, three hundred thirteen".