565434361 has 2 divisors, whose sum is σ = 565434362. Its totient is φ = 565434360.

The previous prime is 565434343. The next prime is 565434377. The reversal of 565434361 is 163434565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379275625 + 186158736 = 19475^2 + 13644^2 .

It is a cyclic number.

It is not a de Polignac number, because 565434361 - 2¹¹ = 565432313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 565434361.

It is not a weakly prime, because it can be changed into another prime (565474361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282717180 + 282717181.

It is an arithmetic number, because the mean of its divisors is an integer number (282717181).

Almost surely, 2^565434361 is an apocalyptic number.

It is an amenable number.

565434361 is a deficient number, since it is larger than the sum of its proper divisors (1).

565434361 is an equidigital number, since it uses as much as digits as its factorization.

565434361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 565434361 is about 23778.8637449311. The cubic root of 565434361 is about 826.9147377211.

The spelling of 565434361 in words is "five hundred sixty-five million, four hundred thirty-four thousand, three hundred sixty-one".