7961717 has 2 divisors, whose sum is σ = 7961718. Its totient is φ = 7961716.

The previous prime is 7961711. The next prime is 7961719. The reversal of 7961717 is 7171697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7540516 + 421201 = 2746^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 7961717 - 2⁸ = 7961461 is a prime.

Together with 7961719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7961711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980858 + 3980859.

It is an arithmetic number, because the mean of its divisors is an integer number (3980859).

Almost surely, 2^7961717 is an apocalyptic number.

It is an amenable number.

7961717 is a deficient number, since it is larger than the sum of its proper divisors (1).

7961717 is an equidigital number, since it uses as much as digits as its factorization.

7961717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18522, while the sum is 38.

The square root of 7961717 is about 2821.6514667832. The cubic root of 7961717 is about 199.6804647580.

The spelling of 7961717 in words is "seven million, nine hundred sixty-one thousand, seven hundred seventeen".