566263645 has 4 divisors (see below), whose sum is σ = 679516380. Its totient is φ = 453010912.

The previous prime is 566263627. The next prime is 566263667. The reversal of 566263645 is 546362665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300606244 + 265657401 = 17338^2 + 16299^2 .

It is a cyclic number.

It is not a de Polignac number, because 566263645 - 2¹³ = 566255453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56626360 + ... + 56626369.

It is an arithmetic number, because the mean of its divisors is an integer number (169879095).

Almost surely, 2^566263645 is an apocalyptic number.

It is an amenable number.

566263645 is a deficient number, since it is larger than the sum of its proper divisors (113252735).

566263645 is a wasteful number, since it uses less digits than its factorization.

566263645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113252734.

The product of its digits is 777600, while the sum is 43.

The square root of 566263645 is about 23796.2947746072. The cubic root of 566263645 is about 827.3188000582.

The spelling of 566263645 in words is "five hundred sixty-six million, two hundred sixty-three thousand, six hundred forty-five".