491300599 has 2 divisors, whose sum is σ = 491300600. Its totient is φ = 491300598.

The previous prime is 491300597. The next prime is 491300633. The reversal of 491300599 is 995003194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 491300599 - 2¹ = 491300597 is a prime.

Together with 491300597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (491300591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245650299 + 245650300.

It is an arithmetic number, because the mean of its divisors is an integer number (245650300).

Almost surely, 2^491300599 is an apocalyptic number.

491300599 is a deficient number, since it is larger than the sum of its proper divisors (1).

491300599 is an equidigital number, since it uses as much as digits as its factorization.

491300599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 491300599 is about 22165.3016898034. The cubic root of 491300599 is about 789.0704223959.

The spelling of 491300599 in words is "four hundred ninety-one million, three hundred thousand, five hundred ninety-nine".