325420289 has 2 divisors, whose sum is σ = 325420290. Its totient is φ = 325420288.

The previous prime is 325420253. The next prime is 325420297. The reversal of 325420289 is 982024523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312582400 + 12837889 = 17680^2 + 3583^2 .

It is an emirp because it is prime and its reverse (982024523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325420289 - 2⁸ = 325420033 is a prime.

It is not a weakly prime, because it can be changed into another prime (325420189) 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, 162710144 + 162710145.

It is an arithmetic number, because the mean of its divisors is an integer number (162710145).

Almost surely, 2^325420289 is an apocalyptic number.

It is an amenable number.

325420289 is a deficient number, since it is larger than the sum of its proper divisors (1).

325420289 is an equidigital number, since it uses as much as digits as its factorization.

325420289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 325420289 is about 18039.4093306849. The cubic root of 325420289 is about 687.8306783441.

The spelling of 325420289 in words is "three hundred twenty-five million, four hundred twenty thousand, two hundred eighty-nine".