325421617 has 2 divisors, whose sum is σ = 325421618. Its totient is φ = 325421616.

The previous prime is 325421563. The next prime is 325421627. The reversal of 325421617 is 716124523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208975936 + 116445681 = 14456^2 + 10791^2 .

It is a cyclic number.

It is not a de Polignac number, because 325421617 - 2⁷ = 325421489 is a prime.

It is not a weakly prime, because it can be changed into another prime (325421627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162710808 + 162710809.

It is an arithmetic number, because the mean of its divisors is an integer number (162710809).

Almost surely, 2^325421617 is an apocalyptic number.

It is an amenable number.

325421617 is a deficient number, since it is larger than the sum of its proper divisors (1).

325421617 is an equidigital number, since it uses as much as digits as its factorization.

325421617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 325421617 is about 18039.4461389478. The cubic root of 325421617 is about 687.8316139935.

The spelling of 325421617 in words is "three hundred twenty-five million, four hundred twenty-one thousand, six hundred seventeen".