281560 has 16 divisors (see below), whose sum is σ = 633600. Its totient is φ = 112608.

The previous prime is 281557. The next prime is 281563. The reversal of 281560 is 65182.

It is a happy number.

281560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (281557) and next prime (281563).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3480 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2²⁸¹⁵⁶⁰ is an apocalyptic number.

281560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281560 is an abundant number, since it is smaller than the sum of its proper divisors (352040).

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

281560 is a wasteful number, since it uses less digits than its factorization.

281560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050 (or 7046 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 281560 is about 530.6222762003. The cubic root of 281560 is about 65.5425980114.

It can be divided in two parts, 281 and 560, that added together give a square (841 = 29²).

The spelling of 281560 in words is "two hundred eighty-one thousand, five hundred sixty".