566138575 has 12 divisors (see below), whose sum is σ = 702544320. Its totient is φ = 452567360.

The previous prime is 566138561. The next prime is 566138597. The reversal of 566138575 is 575831665.

It is not a de Polignac number, because 566138575 - 2¹⁵ = 566105807 is a prime.

It is a super-2 number, since 2×566138575² = 641025772206061250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28107 + ... + 43843.

It is an arithmetic number, because the mean of its divisors is an integer number (58545360).

Almost surely, 2^566138575 is an apocalyptic number.

566138575 is a deficient number, since it is larger than the sum of its proper divisors (136405745).

566138575 is a wasteful number, since it uses less digits than its factorization.

566138575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186 (or 17181 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The square root of 566138575 is about 23793.6666993551. Note that the first 4 decimals coincide. The cubic root of 566138575 is about 827.2578859226.

The spelling of 566138575 in words is "five hundred sixty-six million, one hundred thirty-eight thousand, five hundred seventy-five".