6641255 has 8 divisors (see below), whose sum is σ = 8049024. Its totient is φ = 5260000.

The previous prime is 6641249. The next prime is 6641263. The reversal of 6641255 is 5521466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6641255 - 2¹² = 6637159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6071 + ... + 7080.

It is an arithmetic number, because the mean of its divisors is an integer number (1006128).

Almost surely, 2^6641255 is an apocalyptic number.

6641255 is a deficient number, since it is larger than the sum of its proper divisors (1407769).

6641255 is a wasteful number, since it uses less digits than its factorization.

6641255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257.

The product of its digits is 7200, while the sum is 29.

The square root of 6641255 is about 2577.0632510670. The cubic root of 6641255 is about 187.9677683539.

The spelling of 6641255 in words is "six million, six hundred forty-one thousand, two hundred fifty-five".