206634271 has 2 divisors, whose sum is σ = 206634272. Its totient is φ = 206634270.

The previous prime is 206634229. The next prime is 206634283. The reversal of 206634271 is 172436602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206634271 - 2⁷ = 206634143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206634971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103317135 + 103317136.

It is an arithmetic number, because the mean of its divisors is an integer number (103317136).

Almost surely, 2^206634271 is an apocalyptic number.

206634271 is a deficient number, since it is larger than the sum of its proper divisors (1).

206634271 is an equidigital number, since it uses as much as digits as its factorization.

206634271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 206634271 is about 14374.7789896054. The cubic root of 206634271 is about 591.1995808237.

The spelling of 206634271 in words is "two hundred six million, six hundred thirty-four thousand, two hundred seventy-one".