565436873 has 2 divisors, whose sum is σ = 565436874. Its totient is φ = 565436872.

The previous prime is 565436857. The next prime is 565436897. The reversal of 565436873 is 378634565.

565436873 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 can be written as a sum of positive squares in only one way, i.e., 563207824 + 2229049 = 23732^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 565436873 - 2⁴ = 565436857 is a prime.

It is not a weakly prime, because it can be changed into another prime (565436843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282718436 + 282718437.

It is an arithmetic number, because the mean of its divisors is an integer number (282718437).

Almost surely, 2^565436873 is an apocalyptic number.

It is an amenable number.

565436873 is a deficient number, since it is larger than the sum of its proper divisors (1).

565436873 is an equidigital number, since it uses as much as digits as its factorization.

565436873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 47.

The square root of 565436873 is about 23778.9165648900. The cubic root of 565436873 is about 826.9159622704.

The spelling of 565436873 in words is "five hundred sixty-five million, four hundred thirty-six thousand, eight hundred seventy-three".