715946513 has 2 divisors, whose sum is σ = 715946514. Its totient is φ = 715946512.

The previous prime is 715946509. The next prime is 715946521. The reversal of 715946513 is 315649517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652138369 + 63808144 = 25537^2 + 7988^2 .

It is an emirp because it is prime and its reverse (315649517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 715946513 - 2² = 715946509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715946503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357973256 + 357973257.

It is an arithmetic number, because the mean of its divisors is an integer number (357973257).

Almost surely, 2^715946513 is an apocalyptic number.

It is an amenable number.

715946513 is a deficient number, since it is larger than the sum of its proper divisors (1).

715946513 is an equidigital number, since it uses as much as digits as its factorization.

715946513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 715946513 is about 26757.1768503331. The cubic root of 715946513 is about 894.5958092932.

The spelling of 715946513 in words is "seven hundred fifteen million, nine hundred forty-six thousand, five hundred thirteen".