325545889 has 2 divisors, whose sum is σ = 325545890. Its totient is φ = 325545888.

The previous prime is 325545809. The next prime is 325545917. The reversal of 325545889 is 988545523.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296115264 + 29430625 = 17208^2 + 5425^2 .

It is a cyclic number.

It is not a de Polignac number, because 325545889 - 2¹⁹ = 325021601 is a prime.

It is not a weakly prime, because it can be changed into another prime (325545809) 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, 162772944 + 162772945.

It is an arithmetic number, because the mean of its divisors is an integer number (162772945).

Almost surely, 2^325545889 is an apocalyptic number.

It is an amenable number.

325545889 is a deficient number, since it is larger than the sum of its proper divisors (1).

325545889 is an equidigital number, since it uses as much as digits as its factorization.

325545889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 49.

The square root of 325545889 is about 18042.8902618178. The cubic root of 325545889 is about 687.9191592244.

The spelling of 325545889 in words is "three hundred twenty-five million, five hundred forty-five thousand, eight hundred eighty-nine".