8274281 has 2 divisors, whose sum is σ = 8274282. Its totient is φ = 8274280.

The previous prime is 8274271. The next prime is 8274283. The reversal of 8274281 is 1824728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 434281 = 2800^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 8274281 - 2¹⁰ = 8273257 is a prime.

It is a super-2 number, since 2×8274281² = 136927452133922, which contains 22 as substring.

Together with 8274283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8274283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137140 + 4137141.

It is an arithmetic number, because the mean of its divisors is an integer number (4137141).

Almost surely, 2^8274281 is an apocalyptic number.

It is an amenable number.

8274281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8274281 is an equidigital number, since it uses as much as digits as its factorization.

8274281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 32.

The square root of 8274281 is about 2876.5049973883. The cubic root of 8274281 is about 202.2600399000.

The spelling of 8274281 in words is "eight million, two hundred seventy-four thousand, two hundred eighty-one".