8711491 has 2 divisors, whose sum is σ = 8711492. Its totient is φ = 8711490.

The previous prime is 8711489. The next prime is 8711501. The reversal of 8711491 is 1941178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8711491 - 2¹ = 8711489 is a prime.

Together with 8711489, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8711401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4355745 + 4355746.

It is an arithmetic number, because the mean of its divisors is an integer number (4355746).

Almost surely, 2^8711491 is an apocalyptic number.

8711491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8711491 is an equidigital number, since it uses as much as digits as its factorization.

8711491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 31.

The square root of 8711491 is about 2951.5235049039. The cubic root of 8711491 is about 205.7615221893.

The spelling of 8711491 in words is "eight million, seven hundred eleven thousand, four hundred ninety-one".