715311239 has 2 divisors, whose sum is σ = 715311240. Its totient is φ = 715311238.

The previous prime is 715311217. The next prime is 715311241. The reversal of 715311239 is 932113517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715311239 - 2⁸ = 715310983 is a prime.

Together with 715311241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715311139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357655619 + 357655620.

It is an arithmetic number, because the mean of its divisors is an integer number (357655620).

Almost surely, 2^715311239 is an apocalyptic number.

715311239 is a deficient number, since it is larger than the sum of its proper divisors (1).

715311239 is an equidigital number, since it uses as much as digits as its factorization.

715311239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 715311239 is about 26745.3031203612. The cubic root of 715311239 is about 894.3311332674.

The spelling of 715311239 in words is "seven hundred fifteen million, three hundred eleven thousand, two hundred thirty-nine".