9713569 has 2 divisors, whose sum is σ = 9713570. Its totient is φ = 9713568.

The previous prime is 9713563. The next prime is 9713591. The reversal of 9713569 is 9653179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 471969 = 3040^2 + 687^2 .

It is an emirp because it is prime and its reverse (9653179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9713569 - 2⁷ = 9713441 is a prime.

It is a super-2 number, since 2×9713569² = 188706845435522, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9713563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856784 + 4856785.

It is an arithmetic number, because the mean of its divisors is an integer number (4856785).

Almost surely, 2^9713569 is an apocalyptic number.

It is an amenable number.

9713569 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713569 is an equidigital number, since it uses as much as digits as its factorization.

9713569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 9713569 is about 3116.6599108661. The cubic root of 9713569 is about 213.3665212582.

The spelling of 9713569 in words is "nine million, seven hundred thirteen thousand, five hundred sixty-nine".