565023055481 has 2 divisors, whose sum is σ = 565023055482. Its totient is φ = 565023055480.

The previous prime is 565023055477. The next prime is 565023055489. The reversal of 565023055481 is 184550320565.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543929850256 + 21093205225 = 737516^2 + 145235^2 .

It is a cyclic number.

It is not a de Polignac number, because 565023055481 - 2² = 565023055477 is a prime.

It is a super-2 number, since 2×565023055481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (565023055489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282511527740 + 282511527741.

It is an arithmetic number, because the mean of its divisors is an integer number (282511527741).

Almost surely, 2^565023055481 is an apocalyptic number.

It is an amenable number.

565023055481 is a deficient number, since it is larger than the sum of its proper divisors (1).

565023055481 is an equidigital number, since it uses as much as digits as its factorization.

565023055481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 565023055481 in words is "five hundred sixty-five billion, twenty-three million, fifty-five thousand, four hundred eighty-one".