204100441 has 4 divisors (see below), whose sum is σ = 204155152. Its totient is φ = 204045732.

The previous prime is 204100439. The next prime is 204100447. The reversal of 204100441 is 144001402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204100441 - 2¹ = 204100439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204100447) 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 3 ways as a sum of consecutive naturals, for example, 21315 + ... + 29368.

It is an arithmetic number, because the mean of its divisors is an integer number (51038788).

Almost surely, 2^204100441 is an apocalyptic number.

It is an amenable number.

204100441 is a deficient number, since it is larger than the sum of its proper divisors (54711).

204100441 is an equidigital number, since it uses as much as digits as its factorization.

204100441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54710.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 204100441 is about 14286.3725626906. The cubic root of 204100441 is about 588.7731290057.

Adding to 204100441 its reverse (144001402), we get a palindrome (348101843).

The spelling of 204100441 in words is "two hundred four million, one hundred thousand, four hundred forty-one".