482490809 has 2 divisors, whose sum is σ = 482490810. Its totient is φ = 482490808.

The previous prime is 482490797. The next prime is 482490817. The reversal of 482490809 is 908094284.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482461225 + 29584 = 21965^2 + 172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-482490809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 482490809.

It is not a weakly prime, because it can be changed into another prime (482490409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241245404 + 241245405.

It is an arithmetic number, because the mean of its divisors is an integer number (241245405).

Almost surely, 2^482490809 is an apocalyptic number.

It is an amenable number.

482490809 is a deficient number, since it is larger than the sum of its proper divisors (1).

482490809 is an equidigital number, since it uses as much as digits as its factorization.

482490809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 482490809 is about 21965.6734246870. The cubic root of 482490809 is about 784.3255239429.

The spelling of 482490809 in words is "four hundred eighty-two million, four hundred ninety thousand, eight hundred nine".