8481331 has 2 divisors, whose sum is σ = 8481332. Its totient is φ = 8481330.

The previous prime is 8481313. The next prime is 8481371. The reversal of 8481331 is 1331848.

Together with previous prime (8481313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8481331 - 2⁵ = 8481299 is a prime.

It is a super-2 number, since 2×8481331² = 143865951063122, 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 8481331.

It is not a weakly prime, because it can be changed into another prime (8481371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240665 + 4240666.

It is an arithmetic number, because the mean of its divisors is an integer number (4240666).

Almost surely, 2^8481331 is an apocalyptic number.

8481331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481331 is an equidigital number, since it uses as much as digits as its factorization.

8481331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 8481331 is about 2912.2724803837. The cubic root of 8481331 is about 203.9332329881.

The spelling of 8481331 in words is "eight million, four hundred eighty-one thousand, three hundred thirty-one".