6631039 has 2 divisors, whose sum is σ = 6631040. Its totient is φ = 6631038.

The previous prime is 6631033. The next prime is 6631063. The reversal of 6631039 is 9301366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6631039 - 2¹⁵ = 6598271 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6630998 and 6631016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6631033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315519 + 3315520.

It is an arithmetic number, because the mean of its divisors is an integer number (3315520).

Almost surely, 2^6631039 is an apocalyptic number.

6631039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6631039 is an equidigital number, since it uses as much as digits as its factorization.

6631039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 6631039 is about 2575.0803870947. The cubic root of 6631039 is about 187.8713375742.

The spelling of 6631039 in words is "six million, six hundred thirty-one thousand, thirty-nine".