204241087 has 2 divisors, whose sum is σ = 204241088. Its totient is φ = 204241086.

The previous prime is 204241061. The next prime is 204241091. The reversal of 204241087 is 780142402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204241087 - 2¹¹ = 204239039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204241007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102120543 + 102120544.

It is an arithmetic number, because the mean of its divisors is an integer number (102120544).

Almost surely, 2^204241087 is an apocalyptic number.

204241087 is a deficient number, since it is larger than the sum of its proper divisors (1).

204241087 is an equidigital number, since it uses as much as digits as its factorization.

204241087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 204241087 is about 14291.2940981564. The cubic root of 204241087 is about 588.9083395116.

Adding to 204241087 its reverse (780142402), we get a palindrome (984383489).

The spelling of 204241087 in words is "two hundred four million, two hundred forty-one thousand, eighty-seven".