491271195 has 8 divisors (see below), whose sum is σ = 786033936. Its totient is φ = 262011296.

The previous prime is 491271161. The next prime is 491271211. The reversal of 491271195 is 591172194.

491271195 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 491271195 - 2⁹ = 491270683 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 16375692 + ... + 16375721.

It is an arithmetic number, because the mean of its divisors is an integer number (98254242).

Almost surely, 2^491271195 is an apocalyptic number.

491271195 is a deficient number, since it is larger than the sum of its proper divisors (294762741).

491271195 is a wasteful number, since it uses less digits than its factorization.

491271195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32751421.

The product of its digits is 22680, while the sum is 39.

The square root of 491271195 is about 22164.6383909145. The cubic root of 491271195 is about 789.0546803094.

Subtracting 491271195 from its reverse (591172194), we obtain a palindrome (99900999).

The spelling of 491271195 in words is "four hundred ninety-one million, two hundred seventy-one thousand, one hundred ninety-five".