6655281 has 4 divisors (see below), whose sum is σ = 8873712. Its totient is φ = 4436852.

The previous prime is 6655273. The next prime is 6655289. The reversal of 6655281 is 1825566.

6655281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (6655273) and next prime (6655289).

It is a cyclic number.

It is not a de Polignac number, because 6655281 - 2³ = 6655273 is a prime.

It is a super-2 number, since 2×6655281² = 88585530377922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6655289) 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 3 ways as a sum of consecutive naturals, for example, 1109211 + ... + 1109216.

It is an arithmetic number, because the mean of its divisors is an integer number (2218428).

Almost surely, 2^6655281 is an apocalyptic number.

It is an amenable number.

6655281 is a deficient number, since it is larger than the sum of its proper divisors (2218431).

6655281 is a wasteful number, since it uses less digits than its factorization.

6655281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218430.

The product of its digits is 14400, while the sum is 33.

The square root of 6655281 is about 2579.7831304201. The cubic root of 6655281 is about 188.1000014980.

The spelling of 6655281 in words is "six million, six hundred fifty-five thousand, two hundred eighty-one".