715516091 has 2 divisors, whose sum is σ = 715516092. Its totient is φ = 715516090.

The previous prime is 715516037. The next prime is 715516093. The reversal of 715516091 is 190615517.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715516091 is a prime.

Together with 715516093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (715516093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357758045 + 357758046.

It is an arithmetic number, because the mean of its divisors is an integer number (357758046).

Almost surely, 2^715516091 is an apocalyptic number.

715516091 is a deficient number, since it is larger than the sum of its proper divisors (1).

715516091 is an equidigital number, since it uses as much as digits as its factorization.

715516091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 35.

The square root of 715516091 is about 26749.1325279905. The cubic root of 715516091 is about 894.4164984555.

The spelling of 715516091 in words is "seven hundred fifteen million, five hundred sixteen thousand, ninety-one".