566785825 has 18 divisors (see below), whose sum is σ = 710036214. Its totient is φ = 448816320.

The previous prime is 566785819. The next prime is 566785847. The reversal of 566785825 is 528587665.

It can be written as a sum of positive squares in 3 ways, for example, as 678976 + 566106849 = 824^2 + 23793^2 .

It is not a de Polignac number, because 566785825 - 2²¹ = 564688673 is a prime.

It is a super-3 number, since 3×566785825³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 264157 + ... + 266293.

Almost surely, 2^566785825 is an apocalyptic number.

It is an amenable number.

566785825 is a deficient number, since it is larger than the sum of its proper divisors (143250389).

566785825 is a wasteful number, since it uses less digits than its factorization.

566785825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2245 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 52.

The square root of 566785825 is about 23807.2641225320. The cubic root of 566785825 is about 827.5730259300.

The spelling of 566785825 in words is "five hundred sixty-six million, seven hundred eighty-five thousand, eight hundred twenty-five".