325768595021 has 2 divisors, whose sum is σ = 325768595022. Its totient is φ = 325768595020.

The previous prime is 325768595003. The next prime is 325768595059. The reversal of 325768595021 is 120595867523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325709904100 + 58690921 = 570710^2 + 7661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325768595021 is a prime.

It is a super-2 number, since 2×325768595021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325768595821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162884297510 + 162884297511.

It is an arithmetic number, because the mean of its divisors is an integer number (162884297511).

Almost surely, 2^325768595021 is an apocalyptic number.

It is an amenable number.

325768595021 is a deficient number, since it is larger than the sum of its proper divisors (1).

325768595021 is an equidigital number, since it uses as much as digits as its factorization.

325768595021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 325768595021 in words is "three hundred twenty-five billion, seven hundred sixty-eight million, five hundred ninety-five thousand, twenty-one".