281083 has 12 divisors (see below), whose sum is σ = 325584. Its totient is φ = 242000.

The previous prime is 281081. The next prime is 281117. The reversal of 281083 is 380182.

It is not a de Polignac number, because 281083 - 2¹ = 281081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281081) 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 11 ways as a sum of consecutive naturals, for example, 2733 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (27132).

2²⁸¹⁰⁸³ is an apocalyptic number.

281083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

281083 is a deficient number, since it is larger than the sum of its proper divisors (44501).

281083 is a wasteful number, since it uses less digits than its factorization.

281083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 281083 is about 530.1726134006. The cubic root of 281083 is about 65.5055644710.

Subtracting 281083 from its reverse (380182), we obtain a palindrome (99099).

It can be divided in two parts, 28 and 1083, that added together give a palindrome (1111).

The spelling of 281083 in words is "two hundred eighty-one thousand, eighty-three".