2153204 has 6 divisors (see below), whose sum is σ = 3768114. Its totient is φ = 1076600.

The previous prime is 2153201. The next prime is 2153209. The reversal of 2153204 is 4023512.

2153204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 357604 = 1340^2 + 598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153201) 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 as a sum of consecutive naturals, namely, 269147 + ... + 269154.

It is an arithmetic number, because the mean of its divisors is an integer number (628019).

2^2153204 is an apocalyptic number.

It is an amenable number.

2153204 is a deficient number, since it is larger than the sum of its proper divisors (1614910).

2153204 is a wasteful number, since it uses less digits than its factorization.

2153204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538305 (or 538303 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2153204 is about 1467.3799780561. The cubic root of 2153204 is about 129.1303691742.

Adding to 2153204 its reverse (4023512), we get a palindrome (6176716).

The spelling of 2153204 in words is "two million, one hundred fifty-three thousand, two hundred four".