204004057 has 2 divisors, whose sum is σ = 204004058. Its totient is φ = 204004056.

The previous prime is 204004039. The next prime is 204004061. The reversal of 204004057 is 750400402.

204004057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 68956416 = 11621^2 + 8304^2 .

It is a cyclic number.

It is not a de Polignac number, because 204004057 - 2¹⁹ = 203479769 is a prime.

It is not a weakly prime, because it can be changed into another prime (204034057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102002028 + 102002029.

It is an arithmetic number, because the mean of its divisors is an integer number (102002029).

Almost surely, 2^204004057 is an apocalyptic number.

It is an amenable number.

204004057 is a deficient number, since it is larger than the sum of its proper divisors (1).

204004057 is an equidigital number, since it uses as much as digits as its factorization.

204004057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 204004057 is about 14282.9988797871. The cubic root of 204004057 is about 588.6804340492.

Adding to 204004057 its reverse (750400402), we get a palindrome (954404459).

The spelling of 204004057 in words is "two hundred four million, four thousand, fifty-seven".