204263 has 8 divisors (see below), whose sum is σ = 217728. Its totient is φ = 191224.

The previous prime is 204251. The next prime is 204299. The reversal of 204263 is 362402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204263 - 2⁸ = 204007 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 1962.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2²⁰⁴²⁶³ is an apocalyptic number.

204263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204263 is a deficient number, since it is larger than the sum of its proper divisors (13465).

204263 is a wasteful number, since it uses less digits than its factorization.

204263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204263 is about 451.9546437420. The cubic root of 204263 is about 58.8929400058.

Adding to 204263 its reverse (362402), we get a palindrome (566665).

The spelling of 204263 in words is "two hundred four thousand, two hundred sixty-three".