565263163 has 16 divisors (see below), whose sum is σ = 585142272. Its totient is φ = 545832000.

The previous prime is 565263151. The next prime is 565263169. The reversal of 565263163 is 361362565.

It is a cyclic number.

It is not a de Polignac number, because 565263163 - 2¹⁷ = 565132091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565263169) 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, 989668 + ... + 990238.

It is an arithmetic number, because the mean of its divisors is an integer number (36571392).

Almost surely, 2^565263163 is an apocalyptic number.

565263163 is a deficient number, since it is larger than the sum of its proper divisors (19879109).

565263163 is a wasteful number, since it uses less digits than its factorization.

565263163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 97200, while the sum is 37.

The square root of 565263163 is about 23775.2636788743. The cubic root of 565263163 is about 826.8312736040.

The spelling of 565263163 in words is "five hundred sixty-five million, two hundred sixty-three thousand, one hundred sixty-three".