204004241 has 16 divisors (see below), whose sum is σ = 245289600. Its totient is φ = 165959808.

The previous prime is 204004231. The next prime is 204004243. The reversal of 204004241 is 142400402.

It is a de Polignac number, because none of the positive numbers 2^k-204004241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204004243) 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 15 ways as a sum of consecutive naturals, for example, 3461 + ... + 20493.

It is an arithmetic number, because the mean of its divisors is an integer number (15330600).

Almost surely, 2^204004241 is an apocalyptic number.

It is an amenable number.

204004241 is a deficient number, since it is larger than the sum of its proper divisors (41285359).

204004241 is a wasteful number, since it uses less digits than its factorization.

204004241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204004241 is about 14283.0053210100. The cubic root of 204004241 is about 588.6806110345.

Adding to 204004241 its reverse (142400402), we get a palindrome (346404643).

The spelling of 204004241 in words is "two hundred four million, four thousand, two hundred forty-one".