204236057 has 2 divisors, whose sum is σ = 204236058. Its totient is φ = 204236056.

The previous prime is 204236023. The next prime is 204236089. The reversal of 204236057 is 750632402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204032656 + 203401 = 14284^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 204236057 - 2²⁴ = 187458841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204236957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102118028 + 102118029.

It is an arithmetic number, because the mean of its divisors is an integer number (102118029).

Almost surely, 2^204236057 is an apocalyptic number.

It is an amenable number.

204236057 is a deficient number, since it is larger than the sum of its proper divisors (1).

204236057 is an equidigital number, since it uses as much as digits as its factorization.

204236057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 204236057 is about 14291.1181158089. The cubic root of 204236057 is about 588.9035049746.

Adding to 204236057 its reverse (750632402), we get a palindrome (954868459).

The spelling of 204236057 in words is "two hundred four million, two hundred thirty-six thousand, fifty-seven".