325615313464621 has 2 divisors, whose sum is σ = 325615313464622. Its totient is φ = 325615313464620.

The previous prime is 325615313464589. The next prime is 325615313464681. The reversal of 325615313464621 is 126464313516523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190400534044900 + 135214779419721 = 13798570^2 + 11628189^2 .

It is a cyclic number.

It is not a de Polignac number, because 325615313464621 - 2⁵ = 325615313464589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325615313464681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162807656732310 + 162807656732311.

It is an arithmetic number, because the mean of its divisors is an integer number (162807656732311).

Almost surely, 2^{325615313464621} is an apocalyptic number.

It is an amenable number.

325615313464621 is a deficient number, since it is larger than the sum of its proper divisors (1).

325615313464621 is an equidigital number, since it uses as much as digits as its factorization.

325615313464621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 52.

The spelling of 325615313464621 in words is "three hundred twenty-five trillion, six hundred fifteen billion, three hundred thirteen million, four hundred sixty-four thousand, six hundred twenty-one".