491495227 has 8 divisors (see below), whose sum is σ = 494034912. Its totient is φ = 488961600.

The previous prime is 491495209. The next prime is 491495231. The reversal of 491495227 is 722594194.

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 491495227 - 2¹¹ = 491493179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491495237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284727 + ... + 286447.

It is an arithmetic number, because the mean of its divisors is an integer number (61754364).

Almost surely, 2^491495227 is an apocalyptic number.

491495227 is a deficient number, since it is larger than the sum of its proper divisors (2539685).

491495227 is a wasteful number, since it uses less digits than its factorization.

491495227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029.

The product of its digits is 181440, while the sum is 43.

The square root of 491495227 is about 22169.6916306926. The cubic root of 491495227 is about 789.1746049971.

The spelling of 491495227 in words is "four hundred ninety-one million, four hundred ninety-five thousand, two hundred twenty-seven".