204564250 has 64 divisors (see below), whose sum is σ = 423895680. Its totient is φ = 73296000.

The previous prime is 204564197. The next prime is 204564251. The reversal of 204564250 is 52465402.

It is not an unprimeable number, because it can be changed into a prime (204564251) 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 31 ways as a sum of consecutive naturals, for example, 200241 + ... + 201259.

It is an arithmetic number, because the mean of its divisors is an integer number (6623370).

Almost surely, 2^204564250 is an apocalyptic number.

204564250 is an abundant number, since it is smaller than the sum of its proper divisors (219331430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204564250 is a wasteful number, since it uses less digits than its factorization.

204564250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 204564250 is about 14302.5959182241. The cubic root of 204564250 is about 589.2187783519.

The spelling of 204564250 in words is "two hundred four million, five hundred sixty-four thousand, two hundred fifty".