2153233 has 4 divisors (see below), whose sum is σ = 2156980. Its totient is φ = 2149488.

The previous prime is 2153227. The next prime is 2153243. The reversal of 2153233 is 3323512.

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 1046529 + 1106704 = 1023^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153233 - 2⁵ = 2153201 is a prime.

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 2153233.

It is not an unprimeable number, because it can be changed into a prime (2153243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (539245).

2^2153233 is an apocalyptic number.

It is an amenable number.

2153233 is a deficient number, since it is larger than the sum of its proper divisors (3747).

2153233 is an equidigital number, since it uses as much as digits as its factorization.

2153233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746.

The product of its digits is 540, while the sum is 19.

The square root of 2153233 is about 1467.3898595806. The cubic root of 2153233 is about 129.1309488939.

Adding to 2153233 its reverse (3323512), we get a palindrome (5476745).

The spelling of 2153233 in words is "two million, one hundred fifty-three thousand, two hundred thirty-three".