6871481 has 2 divisors, whose sum is σ = 6871482. Its totient is φ = 6871480.

The previous prime is 6871471. The next prime is 6871507. The reversal of 6871481 is 1841786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5569600 + 1301881 = 2360^2 + 1141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6871481 is a prime.

It is a super-2 number, since 2×6871481² = 94434502266722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6871421) 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, 3435740 + 3435741.

It is an arithmetic number, because the mean of its divisors is an integer number (3435741).

Almost surely, 2^6871481 is an apocalyptic number.

It is an amenable number.

6871481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871481 is an equidigital number, since it uses as much as digits as its factorization.

6871481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 35.

The square root of 6871481 is about 2621.3509875635. The cubic root of 6871481 is about 190.1151748595.

The spelling of 6871481 in words is "six million, eight hundred seventy-one thousand, four hundred eighty-one".