565779983 has 2 divisors, whose sum is σ = 565779984. Its totient is φ = 565779982.

The previous prime is 565779953. The next prime is 565780027. The reversal of 565779983 is 389977565.

565779983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565779983 - 2⁶ = 565779919 is a prime.

It is a super-3 number, since 3×565779983³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565779923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282889991 + 282889992.

It is an arithmetic number, because the mean of its divisors is an integer number (282889992).

Almost surely, 2^565779983 is an apocalyptic number.

565779983 is a deficient number, since it is larger than the sum of its proper divisors (1).

565779983 is an equidigital number, since it uses as much as digits as its factorization.

565779983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 59.

The square root of 565779983 is about 23786.1300551393. The cubic root of 565779983 is about 827.0831874023.

The spelling of 565779983 in words is "five hundred sixty-five million, seven hundred seventy-nine thousand, nine hundred eighty-three".