6431039 has 2 divisors, whose sum is σ = 6431040. Its totient is φ = 6431038.

The previous prime is 6431017. The next prime is 6431093. The reversal of 6431039 is 9301346.

6431039 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (6431093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6431039 - 2²⁰ = 5382463 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6430999 and 6431017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6431239) 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 as a sum of consecutive naturals, namely, 3215519 + 3215520.

It is an arithmetic number, because the mean of its divisors is an integer number (3215520).

Almost surely, 2^6431039 is an apocalyptic number.

6431039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431039 is an equidigital number, since it uses as much as digits as its factorization.

6431039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 6431039 is about 2535.9493291468. The cubic root of 6431039 is about 185.9632158345.

The spelling of 6431039 in words is "six million, four hundred thirty-one thousand, thirty-nine".