3125321 has 4 divisors (see below), whose sum is σ = 3133200. Its totient is φ = 3117444.

The previous prime is 3125299. The next prime is 3125323. The reversal of 3125321 is 1235213.

3125321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 1235213 = 7 ⋅176459.

It is a cyclic number.

It is not a de Polignac number, because 3125321 - 2⁶ = 3125257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3125321.

It is not an unprimeable number, because it can be changed into a prime (3125323) 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, 3311 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (783300).

Almost surely, 2^3125321 is an apocalyptic number.

It is an amenable number.

3125321 is a deficient number, since it is larger than the sum of its proper divisors (7879).

3125321 is an equidigital number, since it uses as much as digits as its factorization.

3125321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878.

The product of its digits is 180, while the sum is 17.

The square root of 3125321 is about 1767.8577431456. The cubic root of 3125321 is about 146.2058926576.

It can be divided in two parts, 31 and 25321, that added together give a palindrome (25352).

The spelling of 3125321 in words is "three million, one hundred twenty-five thousand, three hundred twenty-one".