491083 has 2 divisors, whose sum is σ = 491084. Its totient is φ = 491082.

The previous prime is 491081. The next prime is 491129. The reversal of 491083 is 380194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 491083 - 2¹ = 491081 is a prime.

Together with 491081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (491081) 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 as a sum of consecutive naturals, namely, 245541 + 245542.

It is an arithmetic number, because the mean of its divisors is an integer number (245542).

2⁴⁹¹⁰⁸³ is an apocalyptic number.

491083 is a deficient number, since it is larger than the sum of its proper divisors (1).

491083 is an equidigital number, since it uses as much as digits as its factorization.

491083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 491083 is about 700.7731444626. The cubic root of 491083 is about 78.8953911045.

Subtracting from 491083 its reverse (380194), we obtain a square (110889 = 333²).

The spelling of 491083 in words is "four hundred ninety-one thousand, eighty-three".