208097 has 4 divisors (see below), whose sum is σ = 220356. Its totient is φ = 195840.

The previous prime is 208073. The next prime is 208099. The reversal of 208097 is 790802.

208097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108241 + 99856 = 329^2 + 316^2 .

It is not a de Polignac number, because 208097 - 2¹⁰ = 207073 is a prime.

It is a super-2 number, since 2×208097² = 86608722818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (55089).

2²⁰⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

208097 is a deficient number, since it is larger than the sum of its proper divisors (12259).

208097 is a wasteful number, since it uses less digits than its factorization.

208097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 208097 is about 456.1765009292. The cubic root of 208097 is about 59.2591302611.

Adding to 208097 its reverse (790802), we get a palindrome (998899).

The spelling of 208097 in words is "two hundred eight thousand, ninety-seven".