255112 has 32 divisors (see below), whose sum is σ = 564480. Its totient is φ = 106560.
The previous prime is 255107. The next prime is 255121. The reversal of 255112 is 211552.
It is a nialpdrome in base 8.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 1255.
It is an arithmetic number, because the mean of its divisors is an integer number (17640).
2255112 is an apocalyptic number.
255112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 255112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282240).
255112 is an abundant number, since it is smaller than the sum of its proper divisors (309368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255112 is a wasteful number, since it uses less digits than its factorization.
255112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253 (or 249 counting only the distinct ones).
The product of its digits is 100, while the sum is 16.
The square root of 255112 is about 505.0861312687. The cubic root of 255112 is about 63.4225397274.
Adding to 255112 its reverse (211552), we get a palindrome (466664).
It can be divided in two parts, 2 and 55112, that multiplied together give a square (110224 = 3322).
The spelling of 255112 in words is "two hundred fifty-five thousand, one hundred twelve".
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