485168209 has 2 divisors, whose sum is σ = 485168210. Its totient is φ = 485168208.

The previous prime is 485168207. The next prime is 485168227. The reversal of 485168209 is 902861584.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320302609 + 164865600 = 17897^2 + 12840^2 .

It is a cyclic number.

It is not a de Polignac number, because 485168209 - 2¹ = 485168207 is a prime.

Together with 485168207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (485168207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242584104 + 242584105.

It is an arithmetic number, because the mean of its divisors is an integer number (242584105).

Almost surely, 2^485168209 is an apocalyptic number.

It is an amenable number.

485168209 is a deficient number, since it is larger than the sum of its proper divisors (1).

485168209 is an equidigital number, since it uses as much as digits as its factorization.

485168209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 485168209 is about 22026.5342030924. The cubic root of 485168209 is about 785.7736211577.

The spelling of 485168209 in words is "four hundred eighty-five million, one hundred sixty-eight thousand, two hundred nine".