491299 has 2 divisors, whose sum is σ = 491300. Its totient is φ = 491298.

The previous prime is 491297. The next prime is 491327. The reversal of 491299 is 992194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 491299 - 2¹ = 491297 is a prime.

Together with 491297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (491297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245649 + 245650.

It is an arithmetic number, because the mean of its divisors is an integer number (245650).

2⁴⁹¹²⁹⁹ is an apocalyptic number.

491299 is a deficient number, since it is larger than the sum of its proper divisors (1).

491299 is an equidigital number, since it uses as much as digits as its factorization.

491299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 34.

The square root of 491299 is about 700.9272430146. The cubic root of 491299 is about 78.9069566352.

The spelling of 491299 in words is "four hundred ninety-one thousand, two hundred ninety-nine".