208271 has 4 divisors (see below), whose sum is σ = 238032. Its totient is φ = 178512.

The previous prime is 208261. The next prime is 208277. The reversal of 208271 is 172802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 208271 - 2⁶ = 208207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14870 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (59508).

2²⁰⁸²⁷¹ is an apocalyptic number.

208271 is a deficient number, since it is larger than the sum of its proper divisors (29761).

208271 is an equidigital number, since it uses as much as digits as its factorization.

208271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29760.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 208271 is about 456.3671767338. The cubic root of 208271 is about 59.2756421380.

The spelling of 208271 in words is "two hundred eight thousand, two hundred seventy-one".