715565 has 4 divisors (see below), whose sum is σ = 858684. Its totient is φ = 572448.

The previous prime is 715549. The next prime is 715567. The reversal of 715565 is 565517.

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 72361 + 643204 = 269^2 + 802^2 .

It is a cyclic number.

It is not a de Polignac number, because 715565 - 2⁴ = 715549 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715567) 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, 71552 + ... + 71561.

It is an arithmetic number, because the mean of its divisors is an integer number (214671).

2⁷¹⁵⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

715565 is a deficient number, since it is larger than the sum of its proper divisors (143119).

715565 is a wasteful number, since it uses less digits than its factorization.

715565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143118.

The product of its digits is 5250, while the sum is 29.

The square root of 715565 is about 845.9107517936. The cubic root of 715565 is about 89.4436877228.

The spelling of 715565 in words is "seven hundred fifteen thousand, five hundred sixty-five".