8481287 has 2 divisors, whose sum is σ = 8481288. Its totient is φ = 8481286.

The previous prime is 8481269. The next prime is 8481289. The reversal of 8481287 is 7821848.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8481287 - 2⁶ = 8481223 is a prime.

Together with 8481289, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8481287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8481289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240643 + 4240644.

It is an arithmetic number, because the mean of its divisors is an integer number (4240644).

Almost surely, 2^8481287 is an apocalyptic number.

8481287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481287 is an equidigital number, since it uses as much as digits as its factorization.

8481287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28672, while the sum is 38.

The square root of 8481287 is about 2912.2649261357. The cubic root of 8481287 is about 203.9328803282.

The spelling of 8481287 in words is "eight million, four hundred eighty-one thousand, two hundred eighty-seven".