204133 has 2 divisors, whose sum is σ = 204134. Its totient is φ = 204132.

The previous prime is 204107. The next prime is 204137. The reversal of 204133 is 331402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124609 + 79524 = 353^2 + 282^2 .

It is a cyclic number.

It is not a de Polignac number, because 204133 - 2⁵ = 204101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102066 + 102067.

It is an arithmetic number, because the mean of its divisors is an integer number (102067).

2²⁰⁴¹³³ is an apocalyptic number.

It is an amenable number.

204133 is a deficient number, since it is larger than the sum of its proper divisors (1).

204133 is an equidigital number, since it uses as much as digits as its factorization.

204133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 204133 is about 451.8108011104. The cubic root of 204133 is about 58.8804435234.

Adding to 204133 its reverse (331402), we get a palindrome (535535).

The spelling of 204133 in words is "two hundred four thousand, one hundred thirty-three".