485819 has 2 divisors, whose sum is σ = 485820. Its totient is φ = 485818.

The previous prime is 485777. The next prime is 485827. The reversal of 485819 is 918584.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485819 is a prime.

It is a super-2 number, since 2×485819² = 472040201522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 485819.

It is not a weakly prime, because it can be changed into another prime (485899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242909 + 242910.

It is an arithmetic number, because the mean of its divisors is an integer number (242910).

2⁴⁸⁵⁸¹⁹ is an apocalyptic number.

485819 is a deficient number, since it is larger than the sum of its proper divisors (1).

485819 is an equidigital number, since it uses as much as digits as its factorization.

485819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 485819 is about 697.0071735642. The cubic root of 485819 is about 78.6124802400.

The spelling of 485819 in words is "four hundred eighty-five thousand, eight hundred nineteen".