716091331 has 2 divisors, whose sum is σ = 716091332. Its totient is φ = 716091330.

The previous prime is 716091301. The next prime is 716091347. The reversal of 716091331 is 133190617.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716091331 is a prime.

It is a super-2 number, since 2×716091331² = 1025573588666703122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 716091293 and 716091302.

It is not a weakly prime, because it can be changed into another prime (716091301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358045665 + 358045666.

It is an arithmetic number, because the mean of its divisors is an integer number (358045666).

Almost surely, 2^716091331 is an apocalyptic number.

716091331 is a deficient number, since it is larger than the sum of its proper divisors (1).

716091331 is an equidigital number, since it uses as much as digits as its factorization.

716091331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 716091331 is about 26759.8828659619. The cubic root of 716091331 is about 894.6561233154.

The spelling of 716091331 in words is "seven hundred sixteen million, ninety-one thousand, three hundred thirty-one".