715087231 has 2 divisors, whose sum is σ = 715087232. Its totient is φ = 715087230.

The previous prime is 715087193. The next prime is 715087253. The reversal of 715087231 is 132780517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715087231 - 2⁷ = 715087103 is a prime.

It is a super-2 number, since 2×715087231² = 1022699495878494722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715087631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357543615 + 357543616.

It is an arithmetic number, because the mean of its divisors is an integer number (357543616).

Almost surely, 2^715087231 is an apocalyptic number.

715087231 is a deficient number, since it is larger than the sum of its proper divisors (1).

715087231 is an equidigital number, since it uses as much as digits as its factorization.

715087231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 715087231 is about 26741.1149917127. The cubic root of 715087231 is about 894.2377668027.

The spelling of 715087231 in words is "seven hundred fifteen million, eighty-seven thousand, two hundred thirty-one".