565005139 has 2 divisors, whose sum is σ = 565005140. Its totient is φ = 565005138.

The previous prime is 565005131. The next prime is 565005151. The reversal of 565005139 is 931500565.

565005139 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 is a cyclic number.

It is not a de Polignac number, because 565005139 - 2³ = 565005131 is a prime.

It is not a weakly prime, because it can be changed into another prime (565005131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282502569 + 282502570.

It is an arithmetic number, because the mean of its divisors is an integer number (282502570).

Almost surely, 2^565005139 is an apocalyptic number.

565005139 is a deficient number, since it is larger than the sum of its proper divisors (1).

565005139 is an equidigital number, since it uses as much as digits as its factorization.

565005139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 565005139 is about 23769.8367474411. The cubic root of 565005139 is about 826.7054473836.

The spelling of 565005139 in words is "five hundred sixty-five million, five thousand, one hundred thirty-nine".