716897 has 2 divisors, whose sum is σ = 716898. Its totient is φ = 716896.

The previous prime is 716869. The next prime is 716899. The reversal of 716897 is 798617.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 192721 = 724^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 716897 - 2¹⁰ = 715873 is a prime.

Together with 716899, it forms a pair of twin primes.

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 716897.

It is not a weakly prime, because it can be changed into another prime (716899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358448 + 358449.

It is an arithmetic number, because the mean of its divisors is an integer number (358449).

2⁷¹⁶⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

716897 is a deficient number, since it is larger than the sum of its proper divisors (1).

716897 is an equidigital number, since it uses as much as digits as its factorization.

716897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 716897 is about 846.6977028432. The cubic root of 716897 is about 89.4991521200.

The spelling of 716897 in words is "seven hundred sixteen thousand, eight hundred ninety-seven".