491200241 has 4 divisors (see below), whose sum is σ = 561371712. Its totient is φ = 421028772.

The previous prime is 491200207. The next prime is 491200279. The reversal of 491200241 is 142002194.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142002194 = 2 ⋅71001097.

It is a cyclic number.

It is not a de Polignac number, because 491200241 - 2¹⁴ = 491183857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491200201) 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, 35085725 + ... + 35085738.

It is an arithmetic number, because the mean of its divisors is an integer number (140342928).

Almost surely, 2^491200241 is an apocalyptic number.

It is an amenable number.

491200241 is a deficient number, since it is larger than the sum of its proper divisors (70171471).

491200241 is an equidigital number, since it uses as much as digits as its factorization.

491200241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70171470.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 491200241 is about 22163.0377204931. The cubic root of 491200241 is about 789.0166909178.

The spelling of 491200241 in words is "four hundred ninety-one million, two hundred thousand, two hundred forty-one".