9969517 has 2 divisors, whose sum is σ = 9969518. Its totient is φ = 9969516.

The previous prime is 9969503. The next prime is 9969523. The reversal of 9969517 is 7159699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5103081 + 4866436 = 2259^2 + 2206^2 .

It is an emirp because it is prime and its reverse (7159699) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9969517 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9969527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984758 + 4984759.

It is an arithmetic number, because the mean of its divisors is an integer number (4984759).

Almost surely, 2^9969517 is an apocalyptic number.

It is an amenable number.

9969517 is a deficient number, since it is larger than the sum of its proper divisors (1).

9969517 is an equidigital number, since it uses as much as digits as its factorization.

9969517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 46.

The square root of 9969517 is about 3157.4541960257. The cubic root of 9969517 is about 215.2243340803.

The spelling of 9969517 in words is "nine million, nine hundred sixty-nine thousand, five hundred seventeen".