255210 has 32 divisors (see below), whose sum is σ = 628992. Its totient is φ = 66240.

The previous prime is 255209. The next prime is 255217. The reversal of 255210 is 12552.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 255210.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255217) 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, 1320 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2²⁵⁵²¹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496).

255210 is an abundant number, since it is smaller than the sum of its proper divisors (373782).

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

255210 is a wasteful number, since it uses less digits than its factorization.

255210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 255210 is about 505.1831351104. The cubic root of 255210 is about 63.4306598382.

Adding to 255210 its reverse (12552), we get a palindrome (267762).

It can be divided in two parts, 255 and 210, that added together give a triangular number (465 = T₃₀).

The spelling of 255210 in words is "two hundred fifty-five thousand, two hundred ten".