716291 has 2 divisors, whose sum is σ = 716292. Its totient is φ = 716290.

The previous prime is 716279. The next prime is 716299. The reversal of 716291 is 192617.

716291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (192617) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716291 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716291.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716291.

It is not a weakly prime, because it can be changed into another prime (716299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358145 + 358146.

It is an arithmetic number, because the mean of its divisors is an integer number (358146).

2⁷¹⁶²⁹¹ is an apocalyptic number.

716291 is a deficient number, since it is larger than the sum of its proper divisors (1).

716291 is an equidigital number, since it uses as much as digits as its factorization.

716291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 716291 is about 846.3397662877. The cubic root of 716291 is about 89.4739268433.

The spelling of 716291 in words is "seven hundred sixteen thousand, two hundred ninety-one".