6431047 has 8 divisors (see below), whose sum is σ = 7470752. Its totient is φ = 5421600.

The previous prime is 6431039. The next prime is 6431093. The reversal of 6431047 is 7401346.

6431047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6431047 - 2³ = 6431039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7104 + ... + 7957.

It is an arithmetic number, because the mean of its divisors is an integer number (933844).

Almost surely, 2^6431047 is an apocalyptic number.

6431047 is a deficient number, since it is larger than the sum of its proper divisors (1039705).

6431047 is a wasteful number, since it uses less digits than its factorization.

6431047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15129.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 6431047 is about 2535.9509064649. The cubic root of 6431047 is about 185.9632929452.

Subtracting 6431047 from its reverse (7401346), we obtain a cube (970299 = 99³).

The spelling of 6431047 in words is "six million, four hundred thirty-one thousand, forty-seven".