255103 has 4 divisors (see below), whose sum is σ = 258768. Its totient is φ = 251440.

The previous prime is 255097. The next prime is 255107. The reversal of 255103 is 301552.

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 255103 - 2⁵ = 255071 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 (255107) 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, 1726 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (64692).

2²⁵⁵¹⁰³ is an apocalyptic number.

255103 is a deficient number, since it is larger than the sum of its proper divisors (3665).

255103 is an equidigital number, since it uses as much as digits as its factorization.

255103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 255103 is about 505.0772218186. The cubic root of 255103 is about 63.4217938986.

Adding to 255103 its reverse (301552), we get a palindrome (556655).

The spelling of 255103 in words is "two hundred fifty-five thousand, one hundred three".