283181 has 2 divisors, whose sum is σ = 283182. Its totient is φ = 283180.

The previous prime is 283163. The next prime is 283183. The reversal of 283181 is 181382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 17956 = 515^2 + 134^2 .

It is a cyclic number.

It is not a de Polignac number, because 283181 - 2⁶ = 283117 is a prime.

It is a super-2 number, since 2×283181² = 160382957522, which contains 22 as substring.

Together with 283183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283181.

It is not a weakly prime, because it can be changed into another prime (283183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141590 + 141591.

It is an arithmetic number, because the mean of its divisors is an integer number (141591).

2²⁸³¹⁸¹ is an apocalyptic number.

It is an amenable number.

283181 is a deficient number, since it is larger than the sum of its proper divisors (1).

283181 is an equidigital number, since it uses as much as digits as its factorization.

283181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

The square root of 283181 is about 532.1475359334. The cubic root of 283181 is about 65.6681382282.

It can be divided in two parts, 283 and 181, that added together give a palindrome (464).

The spelling of 283181 in words is "two hundred eighty-three thousand, one hundred eighty-one".