6954391 has 2 divisors, whose sum is σ = 6954392. Its totient is φ = 6954390.

The previous prime is 6954383. The next prime is 6954401. The reversal of 6954391 is 1934596.

6954391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6954391 - 2³ = 6954383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6954391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6954341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477195 + 3477196.

It is an arithmetic number, because the mean of its divisors is an integer number (3477196).

Almost surely, 2^6954391 is an apocalyptic number.

6954391 is a deficient number, since it is larger than the sum of its proper divisors (1).

6954391 is an equidigital number, since it uses as much as digits as its factorization.

6954391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 6954391 is about 2637.1179344125. The cubic root of 6954391 is about 190.8767513488.

The spelling of 6954391 in words is "six million, nine hundred fifty-four thousand, three hundred ninety-one".