6810431 has 2 divisors, whose sum is σ = 6810432. Its totient is φ = 6810430.

The previous prime is 6810409. The next prime is 6810437. The reversal of 6810431 is 1340186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6810431 - 2⁶ = 6810367 is a prime.

It is a super-2 number, since 2×6810431² = 92763940811522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6810397 and 6810406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6810437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405215 + 3405216.

It is an arithmetic number, because the mean of its divisors is an integer number (3405216).

Almost surely, 2^6810431 is an apocalyptic number.

6810431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6810431 is an equidigital number, since it uses as much as digits as its factorization.

6810431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 6810431 is about 2609.6802486128. The cubic root of 6810431 is about 189.5504700540.

The spelling of 6810431 in words is "six million, eight hundred ten thousand, four hundred thirty-one".