315852013 has 2 divisors, whose sum is σ = 315852014. Its totient is φ = 315852012.

The previous prime is 315852007. The next prime is 315852023. The reversal of 315852013 is 310258513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242954569 + 72897444 = 15587^2 + 8538^2 .

It is an emirp because it is prime and its reverse (310258513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315852013 - 2⁵ = 315851981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315852023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157926006 + 157926007.

It is an arithmetic number, because the mean of its divisors is an integer number (157926007).

Almost surely, 2^315852013 is an apocalyptic number.

It is an amenable number.

315852013 is a deficient number, since it is larger than the sum of its proper divisors (1).

315852013 is an equidigital number, since it uses as much as digits as its factorization.

315852013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 315852013 is about 17772.2258876034. The cubic root of 315852013 is about 681.0221169961.

The spelling of 315852013 in words is "three hundred fifteen million, eight hundred fifty-two thousand, thirteen".