8191343 has 2 divisors, whose sum is σ = 8191344. Its totient is φ = 8191342.

The previous prime is 8191333. The next prime is 8191357. The reversal of 8191343 is 3431918.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8191343 - 2⁶ = 8191279 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8191333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4095671 + 4095672.

It is an arithmetic number, because the mean of its divisors is an integer number (4095672).

Almost surely, 2^8191343 is an apocalyptic number.

8191343 is a deficient number, since it is larger than the sum of its proper divisors (1).

8191343 is an equidigital number, since it uses as much as digits as its factorization.

8191343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 8191343 is about 2862.0522357218. The cubic root of 8191343 is about 201.5819787237.

The spelling of 8191343 in words is "eight million, one hundred ninety-one thousand, three hundred forty-three".