575232737561 has 2 divisors, whose sum is σ = 575232737562. Its totient is φ = 575232737560.

The previous prime is 575232737557. The next prime is 575232737663. The reversal of 575232737561 is 165737232575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481158646336 + 94074091225 = 693656^2 + 306715^2 .

It is a cyclic number.

It is not a de Polignac number, because 575232737561 - 2² = 575232737557 is a prime.

It is not a weakly prime, because it can be changed into another prime (575232737461) 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, 287616368780 + 287616368781.

It is an arithmetic number, because the mean of its divisors is an integer number (287616368781).

Almost surely, 2^575232737561 is an apocalyptic number.

It is an amenable number.

575232737561 is a deficient number, since it is larger than the sum of its proper divisors (1).

575232737561 is an equidigital number, since it uses as much as digits as its factorization.

575232737561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9261000, while the sum is 53.

The spelling of 575232737561 in words is "five hundred seventy-five billion, two hundred thirty-two million, seven hundred thirty-seven thousand, five hundred sixty-one".