204271097 has 2 divisors, whose sum is σ = 204271098. Its totient is φ = 204271096.

The previous prime is 204271049. The next prime is 204271153. The reversal of 204271097 is 790172402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204232681 + 38416 = 14291^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 204271097 - 2⁸ = 204270841 is a prime.

It is not a weakly prime, because it can be changed into another prime (204271037) 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, 102135548 + 102135549.

It is an arithmetic number, because the mean of its divisors is an integer number (102135549).

Almost surely, 2^204271097 is an apocalyptic number.

It is an amenable number.

204271097 is a deficient number, since it is larger than the sum of its proper divisors (1).

204271097 is an equidigital number, since it uses as much as digits as its factorization.

204271097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 204271097 is about 14292.3439994985. The cubic root of 204271097 is about 588.9371816902.

The spelling of 204271097 in words is "two hundred four million, two hundred seventy-one thousand, ninety-seven".