8057191 has 2 divisors, whose sum is σ = 8057192. Its totient is φ = 8057190.

The previous prime is 8057183. The next prime is 8057221. The reversal of 8057191 is 1917508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8057191 - 2³ = 8057183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8057141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4028595 + 4028596.

It is an arithmetic number, because the mean of its divisors is an integer number (4028596).

Almost surely, 2^8057191 is an apocalyptic number.

8057191 is a deficient number, since it is larger than the sum of its proper divisors (1).

8057191 is an equidigital number, since it uses as much as digits as its factorization.

8057191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 8057191 is about 2838.5191561799. The cubic root of 8057191 is about 200.4754604577.

The spelling of 8057191 in words is "eight million, fifty-seven thousand, one hundred ninety-one".