8132291 has 2 divisors, whose sum is σ = 8132292. Its totient is φ = 8132290.

The previous prime is 8132287. The next prime is 8132329. The reversal of 8132291 is 1922318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8132291 - 2² = 8132287 is a prime.

It is a super-2 number, since 2×8132291² = 132268313817362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8132291.

It is not a weakly prime, because it can be changed into another prime (8132221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066145 + 4066146.

It is an arithmetic number, because the mean of its divisors is an integer number (4066146).

Almost surely, 2^8132291 is an apocalyptic number.

8132291 is a deficient number, since it is larger than the sum of its proper divisors (1).

8132291 is an equidigital number, since it uses as much as digits as its factorization.

8132291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 8132291 is about 2851.7172019680. The cubic root of 8132291 is about 201.0964035135.

The spelling of 8132291 in words is "eight million, one hundred thirty-two thousand, two hundred ninety-one".