204329 has 2 divisors, whose sum is σ = 204330. Its totient is φ = 204328.

The previous prime is 204319. The next prime is 204331. The reversal of 204329 is 923402.

204329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204304 + 25 = 452^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 204329 - 2¹⁶ = 138793 is a prime.

It is a Sophie Germain prime.

Together with 204331, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204329.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102164 + 102165.

It is an arithmetic number, because the mean of its divisors is an integer number (102165).

2²⁰⁴³²⁹ is an apocalyptic number.

It is an amenable number.

204329 is a deficient number, since it is larger than the sum of its proper divisors (1).

204329 is an equidigital number, since it uses as much as digits as its factorization.

204329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 204329 is about 452.0276540213. The cubic root of 204329 is about 58.8992823447.

The spelling of 204329 in words is "two hundred four thousand, three hundred twenty-nine".