206255 has 16 divisors (see below), whose sum is σ = 290304. Its totient is φ = 137760.

The previous prime is 206251. The next prime is 206263. The reversal of 206255 is 552602.

It is a happy number.

It is not a de Polignac number, because 206255 - 2² = 206251 is a prime.

It is a super-2 number, since 2×206255² = 85082250050, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206255.

It is not an unprimeable number, because it can be changed into a prime (206251) 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 15 ways as a sum of consecutive naturals, for example, 2444 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (18144).

2²⁰⁶²⁵⁵ is an apocalyptic number.

206255 is a deficient number, since it is larger than the sum of its proper divisors (84049).

206255 is an equidigital number, since it uses as much as digits as its factorization.

206255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 206255 is about 454.1530579001. The cubic root of 206255 is about 59.0837649602.

Adding to 206255 its reverse (552602), we get a palindrome (758857).

The spelling of 206255 in words is "two hundred six thousand, two hundred fifty-five".