6859031 has 2 divisors, whose sum is σ = 6859032. Its totient is φ = 6859030.

The previous prime is 6859009. The next prime is 6859033. The reversal of 6859031 is 1309586.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6859031 is a prime.

It is a super-2 number, since 2×6859031² = 94092612517922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 6859033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6859033) 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, 3429515 + 3429516.

It is an arithmetic number, because the mean of its divisors is an integer number (3429516).

Almost surely, 2^6859031 is an apocalyptic number.

6859031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6859031 is an equidigital number, since it uses as much as digits as its factorization.

6859031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 6859031 is about 2618.9751812493. The cubic root of 6859031 is about 190.0002862415. Note that the first 3 decimals are identical.

The spelling of 6859031 in words is "six million, eight hundred fifty-nine thousand, thirty-one".