204938159 has 2 divisors, whose sum is σ = 204938160. Its totient is φ = 204938158.

The previous prime is 204938147. The next prime is 204938171. The reversal of 204938159 is 951839402.

It is a balanced prime because it is at equal distance from previous prime (204938147) and next prime (204938171).

It is a cyclic number.

It is not a de Polignac number, because 204938159 - 2⁴ = 204938143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204931159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102469079 + 102469080.

It is an arithmetic number, because the mean of its divisors is an integer number (102469080).

Almost surely, 2^204938159 is an apocalyptic number.

204938159 is a deficient number, since it is larger than the sum of its proper divisors (1).

204938159 is an equidigital number, since it uses as much as digits as its factorization.

204938159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 204938159 is about 14315.6613189891. The cubic root of 204938159 is about 589.5775574118.

The spelling of 204938159 in words is "two hundred four million, nine hundred thirty-eight thousand, one hundred fifty-nine".