204543652 has 12 divisors (see below), whose sum is σ = 358148700. Its totient is φ = 102215456.

The previous prime is 204543527. The next prime is 204543667. The reversal of 204543652 is 256345402.

It can be written as a sum of positive squares in 2 ways, for example, as 94167616 + 110376036 = 9704^2 + 10506^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5323 + ... + 20914.

It is an arithmetic number, because the mean of its divisors is an integer number (29845725).

Almost surely, 2^204543652 is an apocalyptic number.

It is an amenable number.

204543652 is a deficient number, since it is larger than the sum of its proper divisors (153605048).

204543652 is a wasteful number, since it uses less digits than its factorization.

204543652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28190 (or 28188 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 204543652 is about 14301.8758210243. The cubic root of 204543652 is about 589.1990011332.

The spelling of 204543652 in words is "two hundred four million, five hundred forty-three thousand, six hundred fifty-two".