204385319 has 4 divisors (see below), whose sum is σ = 207735960. Its totient is φ = 201034680.

The previous prime is 204385297. The next prime is 204385343. The reversal of 204385319 is 913583402.

204385319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204385319 - 2²⁰ = 203336743 is a prime.

It is a super-2 number, since 2×204385319² = 83546717245463522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204385399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675229 + ... + 1675350.

It is an arithmetic number, because the mean of its divisors is an integer number (51933990).

Almost surely, 2^204385319 is an apocalyptic number.

204385319 is a deficient number, since it is larger than the sum of its proper divisors (3350641).

204385319 is an equidigital number, since it uses as much as digits as its factorization.

204385319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350640.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 204385319 is about 14296.3393566325. The cubic root of 204385319 is about 589.0469329787.

The spelling of 204385319 in words is "two hundred four million, three hundred eighty-five thousand, three hundred nineteen".