325104301435561 has 2 divisors, whose sum is σ = 325104301435562. Its totient is φ = 325104301435560.

The previous prime is 325104301435481. The next prime is 325104301435591. The reversal of 325104301435561 is 165534103401523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275312084985961 + 49792216449600 = 16592531^2 + 7056360^2 .

It is a cyclic number.

It is not a de Polignac number, because 325104301435561 - 2²¹ = 325104299338409 is a prime.

It is a super-2 number, since 2×325104301435561² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325104301435591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162552150717780 + 162552150717781.

It is an arithmetic number, because the mean of its divisors is an integer number (162552150717781).

Almost surely, 2^{325104301435561} is an apocalyptic number.

It is an amenable number.

325104301435561 is a deficient number, since it is larger than the sum of its proper divisors (1).

325104301435561 is an equidigital number, since it uses as much as digits as its factorization.

325104301435561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 325104301435561 in words is "three hundred twenty-five trillion, one hundred four billion, three hundred one million, four hundred thirty-five thousand, five hundred sixty-one".