8412281 has 2 divisors, whose sum is σ = 8412282. Its totient is φ = 8412280.

The previous prime is 8412277. The next prime is 8412289. The reversal of 8412281 is 1822148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 1229881 = 2680^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 8412281 - 2² = 8412277 is a prime.

It is a super-2 number, since 2×8412281² = 141532943245922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8412281.

It is not a weakly prime, because it can be changed into another prime (8412289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4206140 + 4206141.

It is an arithmetic number, because the mean of its divisors is an integer number (4206141).

Almost surely, 2^8412281 is an apocalyptic number.

It is an amenable number.

8412281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8412281 is an equidigital number, since it uses as much as digits as its factorization.

8412281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 26.

The square root of 8412281 is about 2900.3932491991. The cubic root of 8412281 is about 203.3782895013.

The spelling of 8412281 in words is "eight million, four hundred twelve thousand, two hundred eighty-one".