6883281 has 6 divisors (see below), whose sum is σ = 9942530. Its totient is φ = 4588848.

The previous prime is 6883267. The next prime is 6883297. The reversal of 6883281 is 1823886.

It can be written as a sum of positive squares in only one way, i.e., 5716881 + 1166400 = 2391^2 + 1080^2 .

It is not a de Polignac number, because 6883281 - 2⁷ = 6883153 is a prime.

It is a super-2 number, since 2×6883281² = 94759114649922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6883381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382396 + ... + 382413.

Almost surely, 2^6883281 is an apocalyptic number.

It is an amenable number.

6883281 is a deficient number, since it is larger than the sum of its proper divisors (3059249).

6883281 is a wasteful number, since it uses less digits than its factorization.

6883281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764815 (or 764812 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 6883281 is about 2623.6007699343. The cubic root of 6883281 is about 190.2239372527.

It can be divided in two parts, 688 and 3281, that added together give a square (3969 = 63²).

The spelling of 6883281 in words is "six million, eight hundred eighty-three thousand, two hundred eighty-one".