565485577 has 2 divisors, whose sum is σ = 565485578. Its totient is φ = 565485576.

The previous prime is 565485551. The next prime is 565485611. The reversal of 565485577 is 775584565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548683776 + 16801801 = 23424^2 + 4099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565485577 is a prime.

It is not a weakly prime, because it can be changed into another prime (565485517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282742788 + 282742789.

It is an arithmetic number, because the mean of its divisors is an integer number (282742789).

Almost surely, 2^565485577 is an apocalyptic number.

It is an amenable number.

565485577 is a deficient number, since it is larger than the sum of its proper divisors (1).

565485577 is an equidigital number, since it uses as much as digits as its factorization.

565485577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880000, while the sum is 52.

The square root of 565485577 is about 23779.9406433237. The cubic root of 565485577 is about 826.9397037705.

The spelling of 565485577 in words is "five hundred sixty-five million, four hundred eighty-five thousand, five hundred seventy-seven".