204080113 has 2 divisors, whose sum is σ = 204080114. Its totient is φ = 204080112.

The previous prime is 204080111. The next prime is 204080117. The reversal of 204080113 is 311080402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150013504 + 54066609 = 12248^2 + 7353^2 .

It is a cyclic number.

It is not a de Polignac number, because 204080113 - 2¹ = 204080111 is a prime.

Together with 204080111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204080111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102040056 + 102040057.

It is an arithmetic number, because the mean of its divisors is an integer number (102040057).

Almost surely, 2^204080113 is an apocalyptic number.

It is an amenable number.

204080113 is a deficient number, since it is larger than the sum of its proper divisors (1).

204080113 is an equidigital number, since it uses as much as digits as its factorization.

204080113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 204080113 is about 14285.6610977581. The cubic root of 204080113 is about 588.7535814773.

The spelling of 204080113 in words is "two hundred four million, eighty thousand, one hundred thirteen".