284161 has 2 divisors, whose sum is σ = 284162. Its totient is φ = 284160.

The previous prime is 284159. The next prime is 284173. The reversal of 284161 is 161482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 87025 = 444^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 284161 - 2¹ = 284159 is a prime.

Together with 284159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (284111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142080 + 142081.

It is an arithmetic number, because the mean of its divisors is an integer number (142081).

2²⁸⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

284161 is a deficient number, since it is larger than the sum of its proper divisors (1).

284161 is an equidigital number, since it uses as much as digits as its factorization.

284161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

The square root of 284161 is about 533.0675379349. The cubic root of 284161 is about 65.7438032395.

The spelling of 284161 in words is "two hundred eighty-four thousand, one hundred sixty-one".