204641063 has 4 divisors (see below), whose sum is σ = 223244808. Its totient is φ = 186037320.

The previous prime is 204641033. The next prime is 204641083. The reversal of 204641063 is 360146402.

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 204641063 - 2²² = 200446759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204641033) 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, 9301856 + ... + 9301877.

It is an arithmetic number, because the mean of its divisors is an integer number (55811202).

Almost surely, 2^204641063 is an apocalyptic number.

204641063 is a deficient number, since it is larger than the sum of its proper divisors (18603745).

204641063 is a wasteful number, since it uses less digits than its factorization.

204641063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18603744.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 204641063 is about 14305.2809479576. The cubic root of 204641063 is about 589.2925188324.

Adding to 204641063 its reverse (360146402), we get a palindrome (564787465).

The spelling of 204641063 in words is "two hundred four million, six hundred forty-one thousand, sixty-three".