204553113 has 4 divisors (see below), whose sum is σ = 272737488. Its totient is φ = 136368740.

The previous prime is 204553103. The next prime is 204553117. The reversal of 204553113 is 311355402.

204553113 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, 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 204553113 - 2⁶ = 204553049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204553117) 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, 34092183 + ... + 34092188.

It is an arithmetic number, because the mean of its divisors is an integer number (68184372).

Almost surely, 2^204553113 is an apocalyptic number.

It is an amenable number.

204553113 is a deficient number, since it is larger than the sum of its proper divisors (68184375).

204553113 is an equidigital number, since it uses as much as digits as its factorization.

204553113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68184374.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 204553113 is about 14302.2065780075. The cubic root of 204553113 is about 589.2080852997.

The spelling of 204553113 in words is "two hundred four million, five hundred fifty-three thousand, one hundred thirteen".