208255 has 4 divisors (see below), whose sum is σ = 249912. Its totient is φ = 166600.

The previous prime is 208253. The next prime is 208261. The reversal of 208255 is 552802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552802 = 2 ⋅276401.

It is not a de Polignac number, because 208255 - 2¹ = 208253 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20821 + ... + 20830.

It is an arithmetic number, because the mean of its divisors is an integer number (62478).

2²⁰⁸²⁵⁵ is an apocalyptic number.

208255 is a deficient number, since it is larger than the sum of its proper divisors (41657).

208255 is an equidigital number, since it uses as much as digits as its factorization.

208255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41656.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 208255 is about 456.3496466527. The cubic root of 208255 is about 59.2741241885.

The spelling of 208255 in words is "two hundred eight thousand, two hundred fifty-five".