9965717 has 2 divisors, whose sum is σ = 9965718. Its totient is φ = 9965716.

The previous prime is 9965713. The next prime is 9965729. The reversal of 9965717 is 7175699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8797156 + 1168561 = 2966^2 + 1081^2 .

It is an emirp because it is prime and its reverse (7175699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9965717 - 2² = 9965713 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9965713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982858 + 4982859.

It is an arithmetic number, because the mean of its divisors is an integer number (4982859).

Almost surely, 2^9965717 is an apocalyptic number.

It is an amenable number.

9965717 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965717 is an equidigital number, since it uses as much as digits as its factorization.

9965717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 44.

The square root of 9965717 is about 3156.8523880600. The cubic root of 9965717 is about 215.1969855002.

The spelling of 9965717 in words is "nine million, nine hundred sixty-five thousand, seven hundred seventeen".