204113773 has 2 divisors, whose sum is σ = 204113774. Its totient is φ = 204113772.

The previous prime is 204113737. The next prime is 204113783. The reversal of 204113773 is 377311402.

204113773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (204113737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175244644 + 28869129 = 13238^2 + 5373^2 .

It is a cyclic number.

It is not a de Polignac number, because 204113773 - 2²¹ = 202016621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204113783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102056886 + 102056887.

It is an arithmetic number, because the mean of its divisors is an integer number (102056887).

Almost surely, 2^204113773 is an apocalyptic number.

It is an amenable number.

204113773 is a deficient number, since it is larger than the sum of its proper divisors (1).

204113773 is an equidigital number, since it uses as much as digits as its factorization.

204113773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 204113773 is about 14286.8391535707. The cubic root of 204113773 is about 588.7859484333.

It can be divided in two parts, 2041137 and 73, that added together give a triangular number (2041210 = T₂₀₂₀).

The spelling of 204113773 in words is "two hundred four million, one hundred thirteen thousand, seven hundred seventy-three".