82256281 has 2 divisors, whose sum is σ = 82256282. Its totient is φ = 82256280.

The previous prime is 82256233. The next prime is 82256329. The reversal of 82256281 is 18265228.

It is a balanced prime because it is at equal distance from previous prime (82256233) and next prime (82256329).

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 9665881 = 8520^2 + 3109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82256281 is a prime.

It is a super-2 number, since 2×82256281² = 13532191527901922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82256201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41128140 + 41128141.

It is an arithmetic number, because the mean of its divisors is an integer number (41128141).

Almost surely, 2^82256281 is an apocalyptic number.

It is an amenable number.

82256281 is a deficient number, since it is larger than the sum of its proper divisors (1).

82256281 is an equidigital number, since it uses as much as digits as its factorization.

82256281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 34.

The square root of 82256281 is about 9069.5248497372. The cubic root of 82256281 is about 434.9002827757.

The spelling of 82256281 in words is "eighty-two million, two hundred fifty-six thousand, two hundred eighty-one".