282881 has 2 divisors, whose sum is σ = 282882. Its totient is φ = 282880.

The previous prime is 282869. The next prime is 282889. The reversal of 282881 is 188282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167281 + 115600 = 409^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 282881 - 2¹⁰ = 281857 is a prime.

It is a super-2 number, since 2×282881² = 160043320322, which contains 22 as substring.

It is a Chen prime.

It is a magnanimous number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 282881.

It is not a weakly prime, because it can be changed into another prime (282889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141440 + 141441.

It is an arithmetic number, because the mean of its divisors is an integer number (141441).

2²⁸²⁸⁸¹ is an apocalyptic number.

It is an amenable number.

282881 is a deficient number, since it is larger than the sum of its proper divisors (1).

282881 is an equidigital number, since it uses as much as digits as its factorization.

282881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 29.

The square root of 282881 is about 531.8655845230. The cubic root of 282881 is about 65.6449405767.

The spelling of 282881 in words is "two hundred eighty-two thousand, eight hundred eighty-one".