204584245 has 4 divisors (see below), whose sum is σ = 245501100. Its totient is φ = 163667392.

The previous prime is 204584227. The next prime is 204584251. The reversal of 204584245 is 542485402.

204584245 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 can be written as a sum of positive squares in 2 ways, for example, as 33942276 + 170641969 = 5826^2 + 13063^2 .

It is a cyclic number.

It is not a de Polignac number, because 204584245 - 2⁵ = 204584213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204584245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20458420 + ... + 20458429.

It is an arithmetic number, because the mean of its divisors is an integer number (61375275).

Almost surely, 2^204584245 is an apocalyptic number.

It is an amenable number.

204584245 is a deficient number, since it is larger than the sum of its proper divisors (40916855).

204584245 is an equidigital number, since it uses as much as digits as its factorization.

204584245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40916854.

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 204584245 is about 14303.2949001270. The cubic root of 204584245 is about 589.2379753290.

The spelling of 204584245 in words is "two hundred four million, five hundred eighty-four thousand, two hundred forty-five".