6631005 has 16 divisors (see below), whose sum is σ = 10785024. Its totient is φ = 3478080.

The previous prime is 6630983. The next prime is 6631021. The reversal of 6631005 is 5001366.

It is not a de Polignac number, because 6631005 - 2⁸ = 6630749 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2709 + ... + 4538.

It is an arithmetic number, because the mean of its divisors is an integer number (674064).

Almost surely, 2^6631005 is an apocalyptic number.

It is an amenable number.

6631005 is a deficient number, since it is larger than the sum of its proper divisors (4154019).

6631005 is a wasteful number, since it uses less digits than its factorization.

6631005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 6631005 is about 2575.0737853506. The cubic root of 6631005 is about 187.8710164763.

The spelling of 6631005 in words is "six million, six hundred thirty-one thousand, five".