204321413 has 8 divisors (see below), whose sum is σ = 210816000. Its totient is φ = 197924688.

The previous prime is 204321367. The next prime is 204321427. The reversal of 204321413 is 314123402.

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

It is a cyclic number.

It is not a de Polignac number, because 204321413 - 2⁸ = 204321157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204321463) 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, 20213 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (26352000).

Almost surely, 2^204321413 is an apocalyptic number.

It is an amenable number.

204321413 is a deficient number, since it is larger than the sum of its proper divisors (6494587).

204321413 is an equidigital number, since it uses as much as digits as its factorization.

204321413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48931.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204321413 is about 14294.1041342226. The cubic root of 204321413 is about 588.9855333349.

Adding to 204321413 its reverse (314123402), we get a palindrome (518444815).

The spelling of 204321413 in words is "two hundred four million, three hundred twenty-one thousand, four hundred thirteen".