885281 has 4 divisors (see below), whose sum is σ = 887172. Its totient is φ = 883392.

The previous prime is 885263. The next prime is 885289. The reversal of 885281 is 182588.

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

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 46225 = 916^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 885281 - 2⁶ = 885217 is a prime.

It is a super-2 number, since 2×885281² = 1567444897922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (885289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (221793).

2⁸⁸⁵²⁸¹ is an apocalyptic number.

It is an amenable number.

885281 is a deficient number, since it is larger than the sum of its proper divisors (1891).

885281 is a wasteful number, since it uses less digits than its factorization.

885281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890.

The product of its digits is 5120, while the sum is 32.

The square root of 885281 is about 940.8937240730. The cubic root of 885281 is about 96.0197080487.

The spelling of 885281 in words is "eight hundred eighty-five thousand, two hundred eighty-one".