204050057 has 2 divisors, whose sum is σ = 204050058. Its totient is φ = 204050056.

The previous prime is 204050051. The next prime is 204050069. The reversal of 204050057 is 750050402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189640441 + 14409616 = 13771^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 204050057 - 2²⁶ = 136941193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204050051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102025028 + 102025029.

It is an arithmetic number, because the mean of its divisors is an integer number (102025029).

Almost surely, 2^204050057 is an apocalyptic number.

It is an amenable number.

204050057 is a deficient number, since it is larger than the sum of its proper divisors (1).

204050057 is an equidigital number, since it uses as much as digits as its factorization.

204050057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 204050057 is about 14284.6090951065. The cubic root of 204050057 is about 588.7246770662.

The spelling of 204050057 in words is "two hundred four million, fifty thousand, fifty-seven".