204305241 has 16 divisors (see below), whose sum is σ = 312725504. Its totient is φ = 116219664.

The previous prime is 204305237. The next prime is 204305249. The reversal of 204305241 is 142503402.

It is not a de Polignac number, because 204305241 - 2² = 204305237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204305249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17131 + ... + 26496.

It is an arithmetic number, because the mean of its divisors is an integer number (19545344).

Almost surely, 2^204305241 is an apocalyptic number.

204305241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204305241 is a deficient number, since it is larger than the sum of its proper divisors (108420263).

204305241 is a wasteful number, since it uses less digits than its factorization.

204305241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43860.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204305241 is about 14293.5384352511. The cubic root of 204305241 is about 588.9699935615.

Adding to 204305241 its reverse (142503402), we get a palindrome (346808643).

The spelling of 204305241 in words is "two hundred four million, three hundred five thousand, two hundred forty-one".