565671163 has 2 divisors, whose sum is σ = 565671164. Its totient is φ = 565671162.

The previous prime is 565671121. The next prime is 565671181. The reversal of 565671163 is 361176565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565671163 is a prime.

It is not a weakly prime, because it can be changed into another prime (565671193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282835581 + 282835582.

It is an arithmetic number, because the mean of its divisors is an integer number (282835582).

Almost surely, 2^565671163 is an apocalyptic number.

565671163 is a deficient number, since it is larger than the sum of its proper divisors (1).

565671163 is an equidigital number, since it uses as much as digits as its factorization.

565671163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 40.

The square root of 565671163 is about 23783.8424776149. The cubic root of 565671163 is about 827.0301579762.

The spelling of 565671163 in words is "five hundred sixty-five million, six hundred seventy-one thousand, one hundred sixty-three".