566525665 has 8 divisors (see below), whose sum is σ = 686562408. Its totient is φ = 448732800.

The previous prime is 566525633. The next prime is 566525681.

566525665 is nontrivially palindromic in base 10.

566525665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 342694144 + 223831521 = 18512^2 + 14961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 566525665 - 2⁵ = 566525633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560412 + ... + 561421.

It is an arithmetic number, because the mean of its divisors is an integer number (85820301).

Almost surely, 2^566525665 is an apocalyptic number.

It is an amenable number.

566525665 is a deficient number, since it is larger than the sum of its proper divisors (120036743).

566525665 is a wasteful number, since it uses less digits than its factorization.

566525665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121939.

The product of its digits is 1620000, while the sum is 46.

The square root of 566525665 is about 23801.7996168357. The cubic root of 566525665 is about 827.4463852960.

The spelling of 566525665 in words is "five hundred sixty-six million, five hundred twenty-five thousand, six hundred sixty-five".