204244087 has 2 divisors, whose sum is σ = 204244088. Its totient is φ = 204244086.

The previous prime is 204244037. The next prime is 204244097. The reversal of 204244087 is 780442402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204244087 - 2²³ = 195855479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204244037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102122043 + 102122044.

It is an arithmetic number, because the mean of its divisors is an integer number (102122044).

Almost surely, 2^204244087 is an apocalyptic number.

204244087 is a deficient number, since it is larger than the sum of its proper divisors (1).

204244087 is an equidigital number, since it uses as much as digits as its factorization.

204244087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 204244087 is about 14291.3990567754. The cubic root of 204244087 is about 588.9112228954.

Adding to 204244087 its reverse (780442402), we get a palindrome (984686489).

The spelling of 204244087 in words is "two hundred four million, two hundred forty-four thousand, eighty-seven".