282001 has 2 divisors, whose sum is σ = 282002. Its totient is φ = 282000.

The previous prime is 281993. The next prime is 282011. The reversal of 282001 is 100282.

282001 = 375² + 376².

282001 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141376 + 140625 = 376^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 282001 - 2³ = 281993 is a prime.

It is not a weakly prime, because it can be changed into another prime (282011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141000 + 141001.

It is an arithmetic number, because the mean of its divisors is an integer number (141001).

2²⁸²⁰⁰¹ is an apocalyptic number.

282001 is the 376-th centered square number.

It is an amenable number.

282001 is a deficient number, since it is larger than the sum of its proper divisors (1).

282001 is an equidigital number, since it uses as much as digits as its factorization.

282001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 282001 is about 531.0376634477. The cubic root of 282001 is about 65.5767993755.

Adding to 282001 its reverse (100282), we get a palindrome (382283).

The spelling of 282001 in words is "two hundred eighty-two thousand, one".