204025253 has 4 divisors (see below), whose sum is σ = 205394700. Its totient is φ = 202655808.

The previous prime is 204025247. The next prime is 204025259. The reversal of 204025253 is 352520402.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (204025247) and next prime (204025259).

It can be written as a sum of positive squares in 2 ways, for example, as 25989604 + 178035649 = 5098^2 + 13343^2 .

It is a cyclic number.

It is not a de Polignac number, because 204025253 - 2⁶ = 204025189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204025259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684500 + ... + 684797.

It is an arithmetic number, because the mean of its divisors is an integer number (51348675).

Almost surely, 2^204025253 is an apocalyptic number.

It is an amenable number.

204025253 is a deficient number, since it is larger than the sum of its proper divisors (1369447).

204025253 is a wasteful number, since it uses less digits than its factorization.

204025253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369446.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 204025253 is about 14283.7408615530. The cubic root of 204025253 is about 588.7008212881.

Adding to 204025253 its reverse (352520402), we get a palindrome (556545655).

The spelling of 204025253 in words is "two hundred four million, twenty-five thousand, two hundred fifty-three".