6648255 has 12 divisors (see below), whose sum is σ = 11523720. Its totient is φ = 3545712.

The previous prime is 6648251. The next prime is 6648259. The reversal of 6648255 is 5528466.

6648255 is a `hidden beast` number, since 6 + 648 + 2 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (6648251) and next prime (6648259).

It is not a de Polignac number, because 6648255 - 2² = 6648251 is a prime.

It is an Ulam number.

6648255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73825 + ... + 73914.

It is an arithmetic number, because the mean of its divisors is an integer number (960310).

Almost surely, 2^6648255 is an apocalyptic number.

6648255 is a deficient number, since it is larger than the sum of its proper divisors (4875465).

6648255 is a wasteful number, since it uses less digits than its factorization.

6648255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147750 (or 147747 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6648255 is about 2578.4210284591. The cubic root of 6648255 is about 188.0337856135.

It can be divided in two parts, 6648 and 255, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6648255 in words is "six million, six hundred forty-eight thousand, two hundred fifty-five".