600000491 has 4 divisors (see below), whose sum is σ = 600289800. Its totient is φ = 599711184.

The previous prime is 600000413. The next prime is 600000509. The reversal of 600000491 is 194000006.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194000006 = 2 ⋅97000003.

It is a cyclic number.

It is not a de Polignac number, because 600000491 - 2¹⁰ = 599999467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (600030491) 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 in 3 ways as a sum of consecutive naturals, for example, 141521 + ... + 145698.

It is an arithmetic number, because the mean of its divisors is an integer number (150072450).

Almost surely, 2^600000491 is an apocalyptic number.

600000491 is a deficient number, since it is larger than the sum of its proper divisors (289309).

600000491 is a wasteful number, since it uses less digits than its factorization.

600000491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289308.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 600000491 is about 24494.9074503253. The cubic root of 600000491 is about 843.4328953714.

Adding to 600000491 its reverse (194000006), we get a palindrome (794000497).

The spelling of 600000491 in words is "six hundred million, four hundred ninety-one", and thus it is an aban number.