9995569 has 2 divisors, whose sum is σ = 9995570. Its totient is φ = 9995568.

The previous prime is 9995567. The next prime is 9995581. The reversal of 9995569 is 9655999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 2640625 = 2712^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 9995569 - 2¹ = 9995567 is a prime.

It is a super-2 number, since 2×9995569² = 199822799267522, which contains 22 as substring.

Together with 9995567, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (9995563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997784 + 4997785.

It is an arithmetic number, because the mean of its divisors is an integer number (4997785).

Almost surely, 2^9995569 is an apocalyptic number.

It is an amenable number.

9995569 is a deficient number, since it is larger than the sum of its proper divisors (1).

9995569 is an equidigital number, since it uses as much as digits as its factorization.

9995569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 984150, while the sum is 52.

The square root of 9995569 is about 3161.5769799263. The cubic root of 9995569 is about 215.4116433017.

The spelling of 9995569 in words is "nine million, nine hundred ninety-five thousand, five hundred sixty-nine".