204602113 has 4 divisors (see below), whose sum is σ = 207956308. Its totient is φ = 201247920.

The previous prime is 204602107. The next prime is 204602117. The reversal of 204602113 is 311206402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84217329 + 120384784 = 9177^2 + 10972^2 .

It is a cyclic number.

It is not a de Polignac number, because 204602113 - 2⁵ = 204602081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204602117) 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, 1677006 + ... + 1677127.

It is an arithmetic number, because the mean of its divisors is an integer number (51989077).

Almost surely, 2^204602113 is an apocalyptic number.

It is an amenable number.

204602113 is a deficient number, since it is larger than the sum of its proper divisors (3354195).

204602113 is an equidigital number, since it uses as much as digits as its factorization.

204602113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354194.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204602113 is about 14303.9194978160. The cubic root of 204602113 is about 589.2551291387.

Adding to 204602113 its reverse (311206402), we get a palindrome (515808515).

The spelling of 204602113 in words is "two hundred four million, six hundred two thousand, one hundred thirteen".