282081 has 8 divisors (see below), whose sum is σ = 398304. Its totient is φ = 176960.

The previous prime is 282071. The next prime is 282089. The reversal of 282081 is 180282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 282081 - 2¹⁷ = 151009 is a prime.

It is a super-2 number, since 2×282081² = 159139381122, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 282081.

It is not an unprimeable number, because it can be changed into a prime (282089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (49788).

2²⁸²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

282081 is a deficient number, since it is larger than the sum of its proper divisors (116223).

282081 is a wasteful number, since it uses less digits than its factorization.

282081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 282081 is about 531.1129823305. The cubic root of 282081 is about 65.5829998830.

The spelling of 282081 in words is "two hundred eighty-two thousand, eighty-one".