715858013 has 4 divisors (see below), whose sum is σ = 770924028. Its totient is φ = 660792000.

The previous prime is 715858001. The next prime is 715858019. The reversal of 715858013 is 310858517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54493924 + 661364089 = 7382^2 + 25717^2 .

It is a cyclic number.

It is not a de Polignac number, because 715858013 - 2¹⁴ = 715841629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715858019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27532988 + ... + 27533013.

It is an arithmetic number, because the mean of its divisors is an integer number (192731007).

Almost surely, 2^715858013 is an apocalyptic number.

It is an amenable number.

715858013 is a deficient number, since it is larger than the sum of its proper divisors (55066015).

715858013 is a wasteful number, since it uses less digits than its factorization.

715858013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55066014.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 715858013 is about 26755.5230373095. The cubic root of 715858013 is about 894.5589466737.

The spelling of 715858013 in words is "seven hundred fifteen million, eight hundred fifty-eight thousand, thirteen".