83282281 has 2 divisors, whose sum is σ = 83282282. Its totient is φ = 83282280.

The previous prime is 83282279. The next prime is 83282299. The reversal of 83282281 is 18228238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 9665881 = 8580^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 83282281 - 2¹ = 83282279 is a prime.

It is a super-2 number, since 2×83282281² = 13871876657125922, which contains 22 as substring.

Together with 83282279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83282581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41641140 + 41641141.

It is an arithmetic number, because the mean of its divisors is an integer number (41641141).

Almost surely, 2^83282281 is an apocalyptic number.

It is an amenable number.

83282281 is a deficient number, since it is larger than the sum of its proper divisors (1).

83282281 is an equidigital number, since it uses as much as digits as its factorization.

83282281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 34.

The square root of 83282281 is about 9125.9126118981. The cubic root of 83282281 is about 436.7010175050.

It can be divided in two parts, 8328 and 2281, that added together give a square (10609 = 103²).

The spelling of 83282281 in words is "eighty-three million, two hundred eighty-two thousand, two hundred eighty-one".