204506103 has 4 divisors (see below), whose sum is σ = 272674808. Its totient is φ = 136337400.

The previous prime is 204506083. The next prime is 204506111. The reversal of 204506103 is 301605402.

It is a happy number.

204506103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 204506103 - 2⁹ = 204505591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204506103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204506123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34084348 + ... + 34084353.

It is an arithmetic number, because the mean of its divisors is an integer number (68168702).

Almost surely, 2^204506103 is an apocalyptic number.

204506103 is a deficient number, since it is larger than the sum of its proper divisors (68168705).

204506103 is an equidigital number, since it uses as much as digits as its factorization.

204506103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68168704.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 204506103 is about 14300.5630308740. The cubic root of 204506103 is about 589.1629449548.

The spelling of 204506103 in words is "two hundred four million, five hundred six thousand, one hundred three".