565561027 has 2 divisors, whose sum is σ = 565561028. Its totient is φ = 565561026.

The previous prime is 565561013. The next prime is 565561037. The reversal of 565561027 is 720165565.

565561027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565561027 - 2⁷ = 565560899 is a prime.

It is a super-2 number, since 2×565561027² = 639718550522589458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (565561037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282780513 + 282780514.

It is an arithmetic number, because the mean of its divisors is an integer number (282780514).

Almost surely, 2^565561027 is an apocalyptic number.

565561027 is a deficient number, since it is larger than the sum of its proper divisors (1).

565561027 is an equidigital number, since it uses as much as digits as its factorization.

565561027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 565561027 is about 23781.5270115272. The cubic root of 565561027 is about 826.9764803206.

The spelling of 565561027 in words is "five hundred sixty-five million, five hundred sixty-one thousand, twenty-seven".