566864461 has 2 divisors, whose sum is σ = 566864462. Its totient is φ = 566864460.

The previous prime is 566864447. The next prime is 566864513. The reversal of 566864461 is 164468665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521894025 + 44970436 = 22845^2 + 6706^2 .

It is a cyclic number.

It is not a de Polignac number, because 566864461 - 2²⁹ = 29993549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566864261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283432230 + 283432231.

It is an arithmetic number, because the mean of its divisors is an integer number (283432231).

Almost surely, 2^566864461 is an apocalyptic number.

It is an amenable number.

566864461 is a deficient number, since it is larger than the sum of its proper divisors (1).

566864461 is an equidigital number, since it uses as much as digits as its factorization.

566864461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The square root of 566864461 is about 23808.9155779930. The cubic root of 566864461 is about 827.6112967196.

The spelling of 566864461 in words is "five hundred sixty-six million, eight hundred sixty-four thousand, four hundred sixty-one".