6191291 has 2 divisors, whose sum is σ = 6191292. Its totient is φ = 6191290.

The previous prime is 6191279. The next prime is 6191299. The reversal of 6191291 is 1921916.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6191291 - 2¹⁰ = 6190267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6191299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3095645 + 3095646.

It is an arithmetic number, because the mean of its divisors is an integer number (3095646).

Almost surely, 2^6191291 is an apocalyptic number.

6191291 is a deficient number, since it is larger than the sum of its proper divisors (1).

6191291 is an equidigital number, since it uses as much as digits as its factorization.

6191291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 29.

The square root of 6191291 is about 2488.2304957540. The cubic root of 6191291 is about 183.6229973740.

The spelling of 6191291 in words is "six million, one hundred ninety-one thousand, two hundred ninety-one".