9772565 has 24 divisors (see below), whose sum is σ = 13358520. Its totient is φ = 6849920.

The previous prime is 9772547. The next prime is 9772573. The reversal of 9772565 is 5652779.

It can be written as a sum of positive squares in 4 ways, for example, as 81796 + 9690769 = 286^2 + 3113^2 .

It is not a de Polignac number, because 9772565 - 2¹² = 9768469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 17267 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (556605).

Almost surely, 2^9772565 is an apocalyptic number.

It is an amenable number.

9772565 is a deficient number, since it is larger than the sum of its proper divisors (3585955).

9772565 is a wasteful number, since it uses less digits than its factorization.

9772565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 602 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 9772565 is about 3126.1102027920. The cubic root of 9772565 is about 213.7976148727.

The spelling of 9772565 in words is "nine million, seven hundred seventy-two thousand, five hundred sixty-five".