715969 has 2 divisors, whose sum is σ = 715970. Its totient is φ = 715968.

The previous prime is 715963. The next prime is 715973. The reversal of 715969 is 969517.

715969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 35344 = 825^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 715969 - 2³ = 715961 is a prime.

It is a super-2 number, since 2×715969² = 1025223217922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357984 + 357985.

It is an arithmetic number, because the mean of its divisors is an integer number (357985).

2⁷¹⁵⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

715969 is a deficient number, since it is larger than the sum of its proper divisors (1).

715969 is an equidigital number, since it uses as much as digits as its factorization.

715969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 715969 is about 846.1495139749. The cubic root of 715969 is about 89.4605175247.

The spelling of 715969 in words is "seven hundred fifteen thousand, nine hundred sixty-nine".