325321 has 4 divisors (see below), whose sum is σ = 328644. Its totient is φ = 322000.

The previous prime is 325319. The next prime is 325333. The reversal of 325321 is 123523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123523 = 101 ⋅1223.

It can be written as a sum of positive squares in 2 ways, for example, as 287296 + 38025 = 536^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 325321 - 2¹ = 325319 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325295 and 325304.

It is not an unprimeable number, because it can be changed into a prime (325301) 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, 1510 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (82161).

2³²⁵³²¹ is an apocalyptic number.

It is an amenable number.

325321 is a deficient number, since it is larger than the sum of its proper divisors (3323).

325321 is a wasteful number, since it uses less digits than its factorization.

325321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322.

The product of its digits is 180, while the sum is 16.

The square root of 325321 is about 570.3691786904. The cubic root of 325321 is about 68.7760716545.

Adding to 325321 its reverse (123523), we get a palindrome (448844).

It can be divided in two parts, 325 and 321, that added together give a palindrome (646).

The spelling of 325321 in words is "three hundred twenty-five thousand, three hundred twenty-one".