491035 has 4 divisors (see below), whose sum is σ = 589248. Its totient is φ = 392824.

The previous prime is 491003. The next prime is 491039. The reversal of 491035 is 530194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 491035 - 2⁵ = 491003 is a prime.

It is a super-2 number, since 2×491035² = 482230742450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490997 and 491015.

It is not an unprimeable number, because it can be changed into a prime (491039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49099 + ... + 49108.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2⁴⁹¹⁰³⁵ is an apocalyptic number.

491035 is a deficient number, since it is larger than the sum of its proper divisors (98213).

491035 is an equidigital number, since it uses as much as digits as its factorization.

491035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98212.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 491035 is about 700.7388957379. The cubic root of 491035 is about 78.8928205260.

The spelling of 491035 in words is "four hundred ninety-one thousand, thirty-five".