565065680 has 20 divisors (see below), whose sum is σ = 1313777892. Its totient is φ = 226026240.

The previous prime is 565065671. The next prime is 565065691. The reversal of 565065680 is 86560565.

565065680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 292683664 + 272382016 = 17108^2 + 16504^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531581 + ... + 3531740.

Almost surely, 2^565065680 is an apocalyptic number.

It is an amenable number.

565065680 is an abundant number, since it is smaller than the sum of its proper divisors (748712212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565065680 is a wasteful number, since it uses less digits than its factorization.

565065680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063334 (or 7063328 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 565065680 is about 23771.1101970438. The cubic root of 565065680 is about 826.7349738330.

The spelling of 565065680 in words is "five hundred sixty-five million, sixty-five thousand, six hundred eighty".