204004093 has 2 divisors, whose sum is σ = 204004094. Its totient is φ = 204004092.

The previous prime is 204004061. The next prime is 204004127. The reversal of 204004093 is 390400402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204004089 + 4 = 14283^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 204004093 - 2⁵ = 204004061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204004013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102002046 + 102002047.

It is an arithmetic number, because the mean of its divisors is an integer number (102002047).

Almost surely, 2^204004093 is an apocalyptic number.

It is an amenable number.

204004093 is a deficient number, since it is larger than the sum of its proper divisors (1).

204004093 is an equidigital number, since it uses as much as digits as its factorization.

204004093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 204004093 is about 14283.0001400266. Note that the first 3 decimals coincide. The cubic root of 204004093 is about 588.6804686768.

Adding to 204004093 its reverse (390400402), we get a palindrome (594404495).

The spelling of 204004093 in words is "two hundred four million, four thousand, ninety-three".