716128313 has 2 divisors, whose sum is σ = 716128314. Its totient is φ = 716128312.

The previous prime is 716128277. The next prime is 716128319. The reversal of 716128313 is 313821617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625650169 + 90478144 = 25013^2 + 9512^2 .

It is a cyclic number.

It is not a de Polignac number, because 716128313 - 2⁸ = 716128057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 716128313.

It is not a weakly prime, because it can be changed into another prime (716128319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358064156 + 358064157.

It is an arithmetic number, because the mean of its divisors is an integer number (358064157).

Almost surely, 2^716128313 is an apocalyptic number.

It is an amenable number.

716128313 is a deficient number, since it is larger than the sum of its proper divisors (1).

716128313 is an equidigital number, since it uses as much as digits as its factorization.

716128313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 716128313 is about 26760.5738540862. The cubic root of 716128313 is about 894.6715243319.

The spelling of 716128313 in words is "seven hundred sixteen million, one hundred twenty-eight thousand, three hundred thirteen".