315001613 has 2 divisors, whose sum is σ = 315001614. Its totient is φ = 315001612.

The previous prime is 315001591. The next prime is 315001657. The reversal of 315001613 is 316100513.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290429764 + 24571849 = 17042^2 + 4957^2 .

It is an emirp because it is prime and its reverse (316100513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315001613 - 2¹⁰ = 315000589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157500806 + 157500807.

It is an arithmetic number, because the mean of its divisors is an integer number (157500807).

Almost surely, 2^315001613 is an apocalyptic number.

It is an amenable number.

315001613 is a deficient number, since it is larger than the sum of its proper divisors (1).

315001613 is an equidigital number, since it uses as much as digits as its factorization.

315001613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 315001613 is about 17748.2847903678. The cubic root of 315001613 is about 680.4103729691.

The spelling of 315001613 in words is "three hundred fifteen million, one thousand, six hundred thirteen".