561573131427053 has 2 divisors, whose sum is σ = 561573131427054. Its totient is φ = 561573131427052.

The previous prime is 561573131427023. The next prime is 561573131427073. The reversal of 561573131427053 is 350724131375165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309411371748649 + 252161759678404 = 17590093^2 + 15879602^2 .

It is a cyclic number.

It is not a de Polignac number, because 561573131427053 - 2³⁴ = 561555951557869 is a prime.

It is a super-3 number, since 3×561573131427053³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 561573131426986 and 561573131427004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561573131427013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280786565713526 + 280786565713527.

It is an arithmetic number, because the mean of its divisors is an integer number (280786565713527).

Almost surely, 2^{561573131427053} is an apocalyptic number.

It is an amenable number.

561573131427053 is a deficient number, since it is larger than the sum of its proper divisors (1).

561573131427053 is an equidigital number, since it uses as much as digits as its factorization.

561573131427053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 561573131427053 in words is "five hundred sixty-one trillion, five hundred seventy-three billion, one hundred thirty-one million, four hundred twenty-seven thousand, fifty-three".