565136081 has 2 divisors, whose sum is σ = 565136082. Its totient is φ = 565136080.

The previous prime is 565136071. The next prime is 565136111. The reversal of 565136081 is 180631565.

565136081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296700625 + 268435456 = 17225^2 + 16384^2 .

It is a cyclic number.

It is not a de Polignac number, because 565136081 - 2⁶ = 565136017 is a prime.

It is a super-2 number, since 2×565136081² = 638757580096077122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (565136041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282568040 + 282568041.

It is an arithmetic number, because the mean of its divisors is an integer number (282568041).

Almost surely, 2^565136081 is an apocalyptic number.

It is an amenable number.

565136081 is a deficient number, since it is larger than the sum of its proper divisors (1).

565136081 is an equidigital number, since it uses as much as digits as its factorization.

565136081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 565136081 is about 23772.5909610206. The cubic root of 565136081 is about 826.7693064507.

The spelling of 565136081 in words is "five hundred sixty-five million, one hundred thirty-six thousand, eighty-one".