325885961 has 2 divisors, whose sum is σ = 325885962. Its totient is φ = 325885960.

The previous prime is 325885951. The next prime is 325885979. The reversal of 325885961 is 169588523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298218361 + 27667600 = 17269^2 + 5260^2 .

It is a cyclic number.

It is not a de Polignac number, because 325885961 - 2¹⁸ = 325623817 is a prime.

It is not a weakly prime, because it can be changed into another prime (325885951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162942980 + 162942981.

It is an arithmetic number, because the mean of its divisors is an integer number (162942981).

Almost surely, 2^325885961 is an apocalyptic number.

It is an amenable number.

325885961 is a deficient number, since it is larger than the sum of its proper divisors (1).

325885961 is an equidigital number, since it uses as much as digits as its factorization.

325885961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 47.

The square root of 325885961 is about 18052.3117910145. The cubic root of 325885961 is about 688.1586140798.

The spelling of 325885961 in words is "three hundred twenty-five million, eight hundred eighty-five thousand, nine hundred sixty-one".