6875281 has 4 divisors (see below), whose sum is σ = 7857472. Its totient is φ = 5893092.

The previous prime is 6875279. The next prime is 6875299. The reversal of 6875281 is 1825786.

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 6875281 - 2¹ = 6875279 is a prime.

It is a super-2 number, since 2×6875281² = 94538977657922, 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 6875281.

It is not an unprimeable number, because it can be changed into a prime (6875221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491085 + ... + 491098.

It is an arithmetic number, because the mean of its divisors is an integer number (1964368).

Almost surely, 2^6875281 is an apocalyptic number.

It is an amenable number.

6875281 is a deficient number, since it is larger than the sum of its proper divisors (982191).

6875281 is an equidigital number, since it uses as much as digits as its factorization.

6875281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982190.

The product of its digits is 26880, while the sum is 37.

The square root of 6875281 is about 2622.0757044754. The cubic root of 6875281 is about 190.1502136201.

The spelling of 6875281 in words is "six million, eight hundred seventy-five thousand, two hundred eighty-one".