255078 has 24 divisors (see below), whose sum is σ = 569088. Its totient is φ = 82512.

The previous prime is 255077. The next prime is 255083. The reversal of 255078 is 870552.

It is a happy number.

255078 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (23712).

2²⁵⁵⁰⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284544).

255078 is an abundant number, since it is smaller than the sum of its proper divisors (314010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255078 is a wasteful number, since it uses less digits than its factorization.

255078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 255078 is about 505.0524725214. The cubic root of 255078 is about 63.4197220601.

It can be divided in two parts, 2550 and 78, that added together give a triangular number (2628 = T₇₂).

The spelling of 255078 in words is "two hundred fifty-five thousand, seventy-eight".