204025133 has 8 divisors (see below), whose sum is σ = 219987768. Its totient is φ = 188100864.

The previous prime is 204025091. The next prime is 204025147. The reversal of 204025133 is 331520402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20097289 + 183927844 = 4483^2 + 13562^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204025133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204025183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985 + ... + 20297.

It is an arithmetic number, because the mean of its divisors is an integer number (27498471).

Almost surely, 2^204025133 is an apocalyptic number.

It is an amenable number.

204025133 is a deficient number, since it is larger than the sum of its proper divisors (15962635).

204025133 is a wasteful number, since it uses less digits than its factorization.

204025133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 204025133 is about 14283.7366609722. The cubic root of 204025133 is about 588.7007058709.

Adding to 204025133 its reverse (331520402), we get a palindrome (535545535).

The spelling of 204025133 in words is "two hundred four million, twenty-five thousand, one hundred thirty-three".