204353 has 2 divisors, whose sum is σ = 204354. Its totient is φ = 204352.

The previous prime is 204331. The next prime is 204359. The reversal of 204353 is 353402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204304 + 49 = 452^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 204353 - 2¹² = 200257 is a prime.

It is not a weakly prime, because it can be changed into another prime (204359) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102176 + 102177.

It is an arithmetic number, because the mean of its divisors is an integer number (102177).

2²⁰⁴³⁵³ is an apocalyptic number.

It is an amenable number.

204353 is a deficient number, since it is larger than the sum of its proper divisors (1).

204353 is an equidigital number, since it uses as much as digits as its factorization.

204353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 204353 is about 452.0542002902. The cubic root of 204353 is about 58.9015883111.

Adding to 204353 its reverse (353402), we get a palindrome (557755).

The spelling of 204353 in words is "two hundred four thousand, three hundred fifty-three".