2253321 has 24 divisors (see below), whose sum is σ = 3803904. Its totient is φ = 1258560.

The previous prime is 2253311. The next prime is 2253323. The reversal of 2253321 is 1233522.

It is not a de Polignac number, because 2253321 - 2⁵ = 2253289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2253294 and 2253303.

It is not an unprimeable number, because it can be changed into a prime (2253323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2581 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (158496).

2^2253321 is an apocalyptic number.

2253321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2253321 is a deficient number, since it is larger than the sum of its proper divisors (1550583).

2253321 is a wasteful number, since it uses less digits than its factorization.

2253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 818 counting only the distinct ones).

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

The square root of 2253321 is about 1501.1065918182. The cubic root of 2253321 is about 131.1015082554.

Adding to 2253321 its reverse (1233522), we get a palindrome (3486843).

The spelling of 2253321 in words is "two million, two hundred fifty-three thousand, three hundred twenty-one".