204304413 has 8 divisors (see below), whose sum is σ = 272755168. Its totient is φ = 136028304.

The previous prime is 204304403. The next prime is 204304421. The reversal of 204304413 is 314403402.

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

It is not a de Polignac number, because 204304413 - 2⁵ = 204304381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204304413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204304403) 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, 40906 + ... + 45627.

It is an arithmetic number, because the mean of its divisors is an integer number (34094396).

Almost surely, 2^204304413 is an apocalyptic number.

It is an amenable number.

204304413 is a deficient number, since it is larger than the sum of its proper divisors (68450755).

204304413 is an equidigital number, since it uses as much as digits as its factorization.

204304413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87323.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 204304413 is about 14293.5094710851. The cubic root of 204304413 is about 588.9691979092.

Adding to 204304413 its reverse (314403402), we get a palindrome (518707815).

The spelling of 204304413 in words is "two hundred four million, three hundred four thousand, four hundred thirteen".