716302309 has 2 divisors, whose sum is σ = 716302310. Its totient is φ = 716302308.

The previous prime is 716302241. The next prime is 716302319. The reversal of 716302309 is 903203617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683561025 + 32741284 = 26145^2 + 5722^2 .

It is a cyclic number.

It is not a de Polignac number, because 716302309 - 2²⁹ = 179431397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716302319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358151154 + 358151155.

It is an arithmetic number, because the mean of its divisors is an integer number (358151155).

Almost surely, 2^716302309 is an apocalyptic number.

It is an amenable number.

716302309 is a deficient number, since it is larger than the sum of its proper divisors (1).

716302309 is an equidigital number, since it uses as much as digits as its factorization.

716302309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 716302309 is about 26763.8246332620. The cubic root of 716302309 is about 894.7439772047.

The spelling of 716302309 in words is "seven hundred sixteen million, three hundred two thousand, three hundred nine".