715117 has 4 divisors (see below), whose sum is σ = 770140. Its totient is φ = 660096.

The previous prime is 715109. The next prime is 715123. The reversal of 715117 is 711517.

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 329476 + 385641 = 574^2 + 621^2 .

It is a cyclic number.

It is not a de Polignac number, because 715117 - 2³ = 715109 is a prime.

It is a super-2 number, since 2×715117² = 1022784647378, which contains 22 as substring.

It is a Duffinian number.

715117 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 715117.

It is not an unprimeable number, because it can be changed into a prime (715157) 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, 27492 + ... + 27517.

It is an arithmetic number, because the mean of its divisors is an integer number (192535).

2⁷¹⁵¹¹⁷ is an apocalyptic number.

It is an amenable number.

715117 is a deficient number, since it is larger than the sum of its proper divisors (55023).

715117 is a wasteful number, since it uses less digits than its factorization.

715117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55022.

The product of its digits is 245, while the sum is 22.

The square root of 715117 is about 845.6459069847. The cubic root of 715117 is about 89.4250175636.

Subtracting from 715117 its reverse (711517), we obtain a square (3600 = 60²).

The spelling of 715117 in words is "seven hundred fifteen thousand, one hundred seventeen".