204235 has 4 divisors (see below), whose sum is σ = 245088. Its totient is φ = 163384.

The previous prime is 204233. The next prime is 204251. The reversal of 204235 is 532402.

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

It is a cyclic number.

It is not a de Polignac number, because 204235 - 2¹ = 204233 is a prime.

It is a Duffinian number.

204235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (204233) 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 in 3 ways as a sum of consecutive naturals, for example, 20419 + ... + 20428.

It is an arithmetic number, because the mean of its divisors is an integer number (61272).

2²⁰⁴²³⁵ is an apocalyptic number.

204235 is a deficient number, since it is larger than the sum of its proper divisors (40853).

204235 is an equidigital number, since it uses as much as digits as its factorization.

204235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40852.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 204235 is about 451.9236661207. The cubic root of 204235 is about 58.8902489039.

Adding to 204235 its reverse (532402), we get a palindrome (736637).

The spelling of 204235 in words is "two hundred four thousand, two hundred thirty-five".