316626613 has 2 divisors, whose sum is σ = 316626614. Its totient is φ = 316626612.

The previous prime is 316626601. The next prime is 316626647.

316626613 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (316626647) can be obtained adding 316626613 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183385764 + 133240849 = 13542^2 + 11543^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 316626613 - 2¹⁷ = 316495541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316626413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158313306 + 158313307.

It is an arithmetic number, because the mean of its divisors is an integer number (158313307).

Almost surely, 2^316626613 is an apocalyptic number.

It is an amenable number.

316626613 is a deficient number, since it is larger than the sum of its proper divisors (1).

316626613 is an equidigital number, since it uses as much as digits as its factorization.

316626613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 316626613 is about 17794.0049735859. The cubic root of 316626613 is about 681.5783786464.

The spelling of 316626613 in words is "three hundred sixteen million, six hundred twenty-six thousand, six hundred thirteen".