281283 has 4 divisors (see below), whose sum is σ = 375048. Its totient is φ = 187520.

The previous prime is 281279. The next prime is 281291. The reversal of 281283 is 382182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 281283 - 2² = 281279 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281283.

It is not an unprimeable number, because it can be changed into a prime (281233) 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, 46878 + ... + 46883.

It is an arithmetic number, because the mean of its divisors is an integer number (93762).

2²⁸¹²⁸³ is an apocalyptic number.

281283 is a deficient number, since it is larger than the sum of its proper divisors (93765).

281283 is an equidigital number, since it uses as much as digits as its factorization.

281283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93764.

The product of its digits is 768, while the sum is 24.

The square root of 281283 is about 530.3611976757. The cubic root of 281283 is about 65.5210972577.

The spelling of 281283 in words is "two hundred eighty-one thousand, two hundred eighty-three".