204253135 has 16 divisors (see below), whose sum is σ = 264981600. Its totient is φ = 150615936.

The previous prime is 204253129. The next prime is 204253169. The reversal of 204253135 is 531352402.

It is a cyclic number.

It is not a de Polignac number, because 204253135 - 2¹¹ = 204251087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25540 + ... + 32569.

It is an arithmetic number, because the mean of its divisors is an integer number (16561350).

Almost surely, 2^204253135 is an apocalyptic number.

204253135 is a deficient number, since it is larger than the sum of its proper divisors (60728465).

204253135 is a wasteful number, since it uses less digits than its factorization.

204253135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58170.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 204253135 is about 14291.7156073020. The cubic root of 204253135 is about 588.9199190102.

The spelling of 204253135 in words is "two hundred four million, two hundred fifty-three thousand, one hundred thirty-five".