915713 has 4 divisors (see below), whose sum is σ = 940500. Its totient is φ = 890928.

The previous prime is 915703. The next prime is 915727. The reversal of 915713 is 317519.

915713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317519 = 149 ⋅2131.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 47089 = 932^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 915713 - 2⁴ = 915697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (915703) 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, 12338 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (235125).

2⁹¹⁵⁷¹³ is an apocalyptic number.

915713 is the 512-nd centered heptagonal number.

It is an amenable number.

915713 is a deficient number, since it is larger than the sum of its proper divisors (24787).

915713 is a wasteful number, since it uses less digits than its factorization.

915713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24786.

The product of its digits is 945, while the sum is 26.

The square root of 915713 is about 956.9289419805. The cubic root of 915713 is about 97.1075789473.

The spelling of 915713 in words is "nine hundred fifteen thousand, seven hundred thirteen".