325568480621 has 2 divisors, whose sum is σ = 325568480622. Its totient is φ = 325568480620.

The previous prime is 325568480593. The next prime is 325568480639. The reversal of 325568480621 is 126084865523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244346330596 + 81222150025 = 494314^2 + 284995^2 .

It is an emirp because it is prime and its reverse (126084865523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325568480621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325568480621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325568480641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162784240310 + 162784240311.

It is an arithmetic number, because the mean of its divisors is an integer number (162784240311).

Almost surely, 2^325568480621 is an apocalyptic number.

It is an amenable number.

325568480621 is a deficient number, since it is larger than the sum of its proper divisors (1).

325568480621 is an equidigital number, since it uses as much as digits as its factorization.

325568480621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 325568480621 in words is "three hundred twenty-five billion, five hundred sixty-eight million, four hundred eighty thousand, six hundred twenty-one".