325242121 has 2 divisors, whose sum is σ = 325242122. Its totient is φ = 325242120.

The previous prime is 325242109. The next prime is 325242139. The reversal of 325242121 is 121242523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256352121 + 68890000 = 16011^2 + 8300^2 .

It is an emirp because it is prime and its reverse (121242523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325242121 - 2⁷ = 325241993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325242092 and 325242101.

It is not a weakly prime, because it can be changed into another prime (325240121) 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, 162621060 + 162621061.

It is an arithmetic number, because the mean of its divisors is an integer number (162621061).

Almost surely, 2^325242121 is an apocalyptic number.

It is an amenable number.

325242121 is a deficient number, since it is larger than the sum of its proper divisors (1).

325242121 is an equidigital number, since it uses as much as digits as its factorization.

325242121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 325242121 is about 18034.4703554055. The cubic root of 325242121 is about 687.7051260532.

Adding to 325242121 its reverse (121242523), we get a palindrome (446484644).

The spelling of 325242121 in words is "three hundred twenty-five million, two hundred forty-two thousand, one hundred twenty-one".