8316491 has 2 divisors, whose sum is σ = 8316492. Its totient is φ = 8316490.

The previous prime is 8316479. The next prime is 8316493. The reversal of 8316491 is 1946138.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8316491 - 2¹⁰ = 8315467 is a prime.

Together with 8316493, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₅₅₉₆₄₃ and since 8316491 and 559643 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8316493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4158245 + 4158246.

It is an arithmetic number, because the mean of its divisors is an integer number (4158246).

Almost surely, 2^8316491 is an apocalyptic number.

8316491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8316491 is an equidigital number, since it uses as much as digits as its factorization.

8316491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 8316491 is about 2883.8326927892. The cubic root of 8316491 is about 202.6033897683.

The spelling of 8316491 in words is "eight million, three hundred sixteen thousand, four hundred ninety-one".