204854011 has 4 divisors (see below), whose sum is σ = 205748800. Its totient is φ = 203959224.

The previous prime is 204854003. The next prime is 204854047. The reversal of 204854011 is 110458402.

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 204854011 - 2³ = 204854003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204854411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447051 + ... + 447508.

It is an arithmetic number, because the mean of its divisors is an integer number (51437200).

Almost surely, 2^204854011 is an apocalyptic number.

204854011 is a deficient number, since it is larger than the sum of its proper divisors (894789).

204854011 is an equidigital number, since it uses as much as digits as its factorization.

204854011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894788.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 204854011 is about 14312.7219982783. The cubic root of 204854011 is about 589.4968524741.

The spelling of 204854011 in words is "two hundred four million, eight hundred fifty-four thousand, eleven".