320012325 has 18 divisors (see below), whose sum is σ = 573178034. Its totient is φ = 170673120.

The previous prime is 320012309. The next prime is 320012347. The reversal of 320012325 is 523210023.

It can be written as a sum of positive squares in 3 ways, for example, as 3101121 + 316911204 = 1761^2 + 17802^2 .

It is not a de Polignac number, because 320012325 - 2⁴ = 320012309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320012298 and 320012307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 710914 + ... + 711363.

Almost surely, 2^320012325 is an apocalyptic number.

It is an amenable number.

320012325 is a deficient number, since it is larger than the sum of its proper divisors (253165709).

320012325 is a wasteful number, since it uses less digits than its factorization.

320012325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422293 (or 1422285 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 320012325 is about 17888.8883109041. Note that the first 3 decimals coincide. The cubic root of 320012325 is about 683.9991599969. Note that the first 3 decimals are identical.

Adding to 320012325 its reverse (523210023), we get a palindrome (843222348).

The spelling of 320012325 in words is "three hundred twenty million, twelve thousand, three hundred twenty-five".