491941241 has 4 divisors (see below), whose sum is σ = 536663184. Its totient is φ = 447219300.

The previous prime is 491941213. The next prime is 491941253. The reversal of 491941241 is 142149194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 491941241 - 2²² = 487746937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (491941211) 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, 22360955 + ... + 22360976.

It is an arithmetic number, because the mean of its divisors is an integer number (134165796).

Almost surely, 2^491941241 is an apocalyptic number.

It is an amenable number.

491941241 is a deficient number, since it is larger than the sum of its proper divisors (44721943).

491941241 is a wasteful number, since it uses less digits than its factorization.

491941241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721942.

The product of its digits is 10368, while the sum is 35.

The square root of 491941241 is about 22179.7484431181. The cubic root of 491941241 is about 789.4132485525.

The spelling of 491941241 in words is "four hundred ninety-one million, nine hundred forty-one thousand, two hundred forty-one".