325399121 has 4 divisors (see below), whose sum is σ = 325435200. Its totient is φ = 325363044.

The previous prime is 325399099. The next prime is 325399141. The reversal of 325399121 is 121993523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 121993523 = 1993 ⋅61211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325399121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325399141) 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 in 3 ways as a sum of consecutive naturals, for example, 8900 + ... + 27018.

It is an arithmetic number, because the mean of its divisors is an integer number (81358800).

Almost surely, 2^325399121 is an apocalyptic number.

It is an amenable number.

325399121 is a deficient number, since it is larger than the sum of its proper divisors (36079).

325399121 is a wasteful number, since it uses less digits than its factorization.

325399121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36078.

The product of its digits is 14580, while the sum is 35.

The square root of 325399121 is about 18038.8226057024. The cubic root of 325399121 is about 687.8157639744.

The spelling of 325399121 in words is "three hundred twenty-five million, three hundred ninety-nine thousand, one hundred twenty-one".