715256905 has 8 divisors (see below), whose sum is σ = 936336384. Its totient is φ = 520186800.

The previous prime is 715256837. The next prime is 715256917. The reversal of 715256905 is 509652517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 715256905 - 2²⁵ = 681702473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502281 + ... + 6502390.

It is an arithmetic number, because the mean of its divisors is an integer number (117042048).

Almost surely, 2^715256905 is an apocalyptic number.

It is an amenable number.

715256905 is a deficient number, since it is larger than the sum of its proper divisors (221079479).

715256905 is a wasteful number, since it uses less digits than its factorization.

715256905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004687.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 715256905 is about 26744.2873339336. The cubic root of 715256905 is about 894.3084886639.

The spelling of 715256905 in words is "seven hundred fifteen million, two hundred fifty-six thousand, nine hundred five".