325423121 has 4 divisors (see below), whose sum is σ = 325816500. Its totient is φ = 325029744.

The previous prime is 325423099. The next prime is 325423139. The reversal of 325423121 is 121324523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226201600 + 99221521 = 15040^2 + 9961^2 .

It is a cyclic number.

It is not a de Polignac number, because 325423121 - 2⁶ = 325423057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325423321) 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 in 3 ways as a sum of consecutive naturals, for example, 195446 + ... + 197103.

It is an arithmetic number, because the mean of its divisors is an integer number (81454125).

Almost surely, 2^325423121 is an apocalyptic number.

It is an amenable number.

325423121 is a deficient number, since it is larger than the sum of its proper divisors (393379).

325423121 is an equidigital number, since it uses as much as digits as its factorization.

325423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393378.

The product of its digits is 1440, while the sum is 23.

The square root of 325423121 is about 18039.4878253236. The cubic root of 325423121 is about 687.8326736416.

Adding to 325423121 its reverse (121324523), we get a palindrome (446747644).

The spelling of 325423121 in words is "three hundred twenty-five million, four hundred twenty-three thousand, one hundred twenty-one".