325353605557 has 2 divisors, whose sum is σ = 325353605558. Its totient is φ = 325353605556.

The previous prime is 325353605543. The next prime is 325353605573. The reversal of 325353605557 is 755506353523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298559516836 + 26794088721 = 546406^2 + 163689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325353605557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325353605557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325353605957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162676802778 + 162676802779.

It is an arithmetic number, because the mean of its divisors is an integer number (162676802779).

Almost surely, 2^325353605557 is an apocalyptic number.

It is an amenable number.

325353605557 is a deficient number, since it is larger than the sum of its proper divisors (1).

325353605557 is an equidigital number, since it uses as much as digits as its factorization.

325353605557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7087500, while the sum is 49.

The spelling of 325353605557 in words is "three hundred twenty-five billion, three hundred fifty-three million, six hundred five thousand, five hundred fifty-seven".