204163 has 2 divisors, whose sum is σ = 204164. Its totient is φ = 204162.

The previous prime is 204161. The next prime is 204173. The reversal of 204163 is 361402.

204163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204163 - 2¹ = 204161 is a prime.

Together with 204161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102081 + 102082.

It is an arithmetic number, because the mean of its divisors is an integer number (102082).

2²⁰⁴¹⁶³ is an apocalyptic number.

204163 is a deficient number, since it is larger than the sum of its proper divisors (1).

204163 is an equidigital number, since it uses as much as digits as its factorization.

204163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 204163 is about 451.8439996282. The cubic root of 204163 is about 58.8833277978.

Adding to 204163 its reverse (361402), we get a palindrome (565565).

The spelling of 204163 in words is "two hundred four thousand, one hundred sixty-three".