715402013 has 2 divisors, whose sum is σ = 715402014. Its totient is φ = 715402012.

The previous prime is 715402001. The next prime is 715402021. The reversal of 715402013 is 310204517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715402009 + 4 = 26747^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 715402013 - 2⁴ = 715401997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 715402013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715402913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357701006 + 357701007.

It is an arithmetic number, because the mean of its divisors is an integer number (357701007).

Almost surely, 2^715402013 is an apocalyptic number.

It is an amenable number.

715402013 is a deficient number, since it is larger than the sum of its proper divisors (1).

715402013 is an equidigital number, since it uses as much as digits as its factorization.

715402013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 715402013 is about 26747.0000747747. Note that the first 4 decimals coincide. The cubic root of 715402013 is about 894.3689622926.

The spelling of 715402013 in words is "seven hundred fifteen million, four hundred two thousand, thirteen".