8182091 has 2 divisors, whose sum is σ = 8182092. Its totient is φ = 8182090.

The previous prime is 8182081. The next prime is 8182121. The reversal of 8182091 is 1902818.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8182091 is a prime.

It is a super-2 number, since 2×8182091² = 133893226264562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8182021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4091045 + 4091046.

It is an arithmetic number, because the mean of its divisors is an integer number (4091046).

Almost surely, 2^8182091 is an apocalyptic number.

8182091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8182091 is an equidigital number, since it uses as much as digits as its factorization.

8182091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 8182091 is about 2860.4354563597. The cubic root of 8182091 is about 201.5060555169.

The spelling of 8182091 in words is "eight million, one hundred eighty-two thousand, ninety-one".