315924013 has 2 divisors, whose sum is σ = 315924014. Its totient is φ = 315924012.

The previous prime is 315923977. The next prime is 315924017. The reversal of 315924013 is 310429513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307055529 + 8868484 = 17523^2 + 2978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315924013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315924017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157962006 + 157962007.

It is an arithmetic number, because the mean of its divisors is an integer number (157962007).

Almost surely, 2^315924013 is an apocalyptic number.

It is an amenable number.

315924013 is a deficient number, since it is larger than the sum of its proper divisors (1).

315924013 is an equidigital number, since it uses as much as digits as its factorization.

315924013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 315924013 is about 17774.2514047709. The cubic root of 315924013 is about 681.0738604973.

It can be divided in two parts, 3159 and 24013, that added together give a palindrome (27172).

The spelling of 315924013 in words is "three hundred fifteen million, nine hundred twenty-four thousand, thirteen".