565665412 has 48 divisors (see below), whose sum is σ = 1131747120. Its totient is φ = 245071872.

The previous prime is 565665403. The next prime is 565665413. The reversal of 565665412 is 214566565.

565665412 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 8 ways, for example, as 367236 + 565298176 = 606^2 + 23776^2 .

It is not an unprimeable number, because it can be changed into a prime (565665413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509514 + ... + 510622.

It is an arithmetic number, because the mean of its divisors is an integer number (23578065).

Almost surely, 2^565665412 is an apocalyptic number.

565665412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

565665412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

565665412 is a wasteful number, since it uses less digits than its factorization.

565665412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1718 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 565665412 is about 23783.7215759014. The cubic root of 565665412 is about 827.0273552486.

The spelling of 565665412 in words is "five hundred sixty-five million, six hundred sixty-five thousand, four hundred twelve".