716508697 has 2 divisors, whose sum is σ = 716508698. Its totient is φ = 716508696.

The previous prime is 716508691. The next prime is 716508731. The reversal of 716508697 is 796805617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381655296 + 334853401 = 19536^2 + 18299^2 .

It is a cyclic number.

It is not a de Polignac number, because 716508697 - 2²³ = 708120089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716508697.

It is not a weakly prime, because it can be changed into another prime (716508691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358254348 + 358254349.

It is an arithmetic number, because the mean of its divisors is an integer number (358254349).

Almost surely, 2^716508697 is an apocalyptic number.

It is an amenable number.

716508697 is a deficient number, since it is larger than the sum of its proper divisors (1).

716508697 is an equidigital number, since it uses as much as digits as its factorization.

716508697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 716508697 is about 26767.6800825174. The cubic root of 716508697 is about 894.8299030700.

The spelling of 716508697 in words is "seven hundred sixteen million, five hundred eight thousand, six hundred ninety-seven".