315716413 has 2 divisors, whose sum is σ = 315716414. Its totient is φ = 315716412.

The previous prime is 315716411. The next prime is 315716461. The reversal of 315716413 is 314617513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297286564 + 18429849 = 17242^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 315716413 - 2¹ = 315716411 is a prime.

Together with 315716411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315716411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157858206 + 157858207.

It is an arithmetic number, because the mean of its divisors is an integer number (157858207).

Almost surely, 2^315716413 is an apocalyptic number.

It is an amenable number.

315716413 is a deficient number, since it is larger than the sum of its proper divisors (1).

315716413 is an equidigital number, since it uses as much as digits as its factorization.

315716413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 315716413 is about 17768.4105366800. The cubic root of 315716413 is about 680.9246453810.

The spelling of 315716413 in words is "three hundred fifteen million, seven hundred sixteen thousand, four hundred thirteen".