6788281 has 4 divisors (see below), whose sum is σ = 6946192. Its totient is φ = 6630372.

The previous prime is 6788273. The next prime is 6788323. The reversal of 6788281 is 1828876.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6788281 - 2³ = 6788273 is a prime.

It is a super-2 number, since 2×6788281² = 92161517869922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6788251) 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 in 3 ways as a sum of consecutive naturals, for example, 78891 + ... + 78976.

It is an arithmetic number, because the mean of its divisors is an integer number (1736548).

Almost surely, 2^6788281 is an apocalyptic number.

It is an amenable number.

6788281 is a deficient number, since it is larger than the sum of its proper divisors (157911).

6788281 is a wasteful number, since it uses less digits than its factorization.

6788281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157910.

The product of its digits is 43008, while the sum is 40.

The square root of 6788281 is about 2605.4329774531. The cubic root of 6788281 is about 189.3447511657.

The spelling of 6788281 in words is "six million, seven hundred eighty-eight thousand, two hundred eighty-one".