282161 has 8 divisors (see below), whose sum is σ = 311904. Its totient is φ = 253120.

The previous prime is 282157. The next prime is 282167. The reversal of 282161 is 161282.

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

It is not a de Polignac number, because 282161 - 2² = 282157 is a prime.

It is a super-2 number, since 2×282161² = 159229659842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (282167) 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, 1130 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (38988).

2²⁸²¹⁶¹ is an apocalyptic number.

It is an amenable number.

282161 is a deficient number, since it is larger than the sum of its proper divisors (29743).

282161 is a wasteful number, since it uses less digits than its factorization.

282161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its digits is 192, while the sum is 20.

The square root of 282161 is about 531.1882905336. The cubic root of 282161 is about 65.5891992182.

It can be divided in two parts, 2821 and 61, that added together give a palindrome (2882).

The spelling of 282161 in words is "two hundred eighty-two thousand, one hundred sixty-one".