716508997 has 2 divisors, whose sum is σ = 716508998. Its totient is φ = 716508996.

The previous prime is 716508973. The next prime is 716509051. The reversal of 716508997 is 799805617.

It is a happy number.

716508997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518290756 + 198218241 = 22766^2 + 14079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716508997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716508917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358254498 + 358254499.

It is an arithmetic number, because the mean of its divisors is an integer number (358254499).

Almost surely, 2^716508997 is an apocalyptic number.

It is an amenable number.

716508997 is a deficient number, since it is larger than the sum of its proper divisors (1).

716508997 is an equidigital number, since it uses as much as digits as its factorization.

716508997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 716508997 is about 26767.6856862897. The cubic root of 716508997 is about 894.8300279575.

The spelling of 716508997 in words is "seven hundred sixteen million, five hundred eight thousand, nine hundred ninety-seven".