796565681 has 2 divisors, whose sum is σ = 796565682. Its totient is φ = 796565680.

The previous prime is 796565663. The next prime is 796565683. The reversal of 796565681 is 186565697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474542656 + 322023025 = 21784^2 + 17945^2 .

It is an emirp because it is prime and its reverse (186565697) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-796565681 is a prime.

It is a super-2 number, since 2×796565681² = 1269033768293987522, which contains 22 as substring.

Together with 796565683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (796565683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398282840 + 398282841.

It is an arithmetic number, because the mean of its divisors is an integer number (398282841).

Almost surely, 2^796565681 is an apocalyptic number.

It is an amenable number.

796565681 is a deficient number, since it is larger than the sum of its proper divisors (1).

796565681 is an equidigital number, since it uses as much as digits as its factorization.

796565681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The square root of 796565681 is about 28223.4951946069. The cubic root of 796565681 is about 926.9874698993.

The spelling of 796565681 in words is "seven hundred ninety-six million, five hundred sixty-five thousand, six hundred eighty-one".