204543255 has 32 divisors (see below), whose sum is σ = 390288384. Its totient is φ = 89438976.

The previous prime is 204543247. The next prime is 204543259. The reversal of 204543255 is 552345402.

It is not a de Polignac number, because 204543255 - 2³ = 204543247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204543259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39934 + ... + 44763.

It is an arithmetic number, because the mean of its divisors is an integer number (12196512).

Almost surely, 2^204543255 is an apocalyptic number.

204543255 is a deficient number, since it is larger than the sum of its proper divisors (185745129).

204543255 is a wasteful number, since it uses less digits than its factorization.

204543255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84735.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 204543255 is about 14301.8619417193. The cubic root of 204543255 is about 589.1986199396.

Adding to 204543255 its reverse (552345402), we get a palindrome (756888657).

The spelling of 204543255 in words is "two hundred four million, five hundred forty-three thousand, two hundred fifty-five".