3225809565 has 24 divisors (see below), whose sum is σ = 6099713568. Its totient is φ = 1564028640.

The previous prime is 3225809549. The next prime is 3225809579. The reversal of 3225809565 is 5659085223.

3225809565 is a `hidden beast` number, since 3 + 2 + 2 + 5 + 80 + 9 + 565 = 666.

It is not a de Polignac number, because 3225809565 - 2⁴ = 3225809549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3225809565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3257899 + ... + 3258888.

It is an arithmetic number, because the mean of its divisors is an integer number (254154732).

Almost surely, 2^3225809565 is an apocalyptic number.

It is an amenable number.

3225809565 is a deficient number, since it is larger than the sum of its proper divisors (2873904003).

3225809565 is a wasteful number, since it uses less digits than its factorization.

3225809565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516809 (or 6516806 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 3225809565 is about 56796.2108331181. The cubic root of 3225809565 is about 1477.5637977382.

The spelling of 3225809565 in words is "three billion, two hundred twenty-five million, eight hundred nine thousand, five hundred sixty-five".