255104 has 16 divisors (see below), whose sum is σ = 508470. Its totient is φ = 127488.

The previous prime is 255097. The next prime is 255107. The reversal of 255104 is 401552.

It can be written as a sum of positive squares in only one way, i.e., 193600 + 61504 = 440^2 + 248^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (255107) by changing a digit.

255104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869 + ... + 1124.

2²⁵⁵¹⁰⁴ is an apocalyptic number.

It is an amenable number.

255104 is a deficient number, since it is larger than the sum of its proper divisors (253366).

255104 is an equidigital number, since it uses as much as digits as its factorization.

255104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 255104 is about 505.0782117653. The cubic root of 255104 is about 63.4218767694.

Adding to 255104 its reverse (401552), we get a palindrome (656656).

The spelling of 255104 in words is "two hundred fifty-five thousand, one hundred four".