573265445561 has 2 divisors, whose sum is σ = 573265445562. Its totient is φ = 573265445560.

The previous prime is 573265445531. The next prime is 573265445563. The reversal of 573265445561 is 165544562375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391901040400 + 181364405161 = 626020^2 + 425869^2 .

It is a cyclic number.

It is not a de Polignac number, because 573265445561 - 2³⁴ = 556085576377 is a prime.

It is a Sophie Germain prime.

Together with 573265445563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (573265445563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286632722780 + 286632722781.

It is an arithmetic number, because the mean of its divisors is an integer number (286632722781).

Almost surely, 2^573265445561 is an apocalyptic number.

It is an amenable number.

573265445561 is a deficient number, since it is larger than the sum of its proper divisors (1).

573265445561 is an equidigital number, since it uses as much as digits as its factorization.

573265445561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120000, while the sum is 53.

The spelling of 573265445561 in words is "five hundred seventy-three billion, two hundred sixty-five million, four hundred forty-five thousand, five hundred sixty-one".