480266509 has 2 divisors, whose sum is σ = 480266510. Its totient is φ = 480266508.

The previous prime is 480266491. The next prime is 480266531. The reversal of 480266509 is 905662084.

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., 419348484 + 60918025 = 20478^2 + 7805^2 .

It is a cyclic number.

It is not a de Polignac number, because 480266509 - 2¹¹ = 480264461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480266569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240133254 + 240133255.

It is an arithmetic number, because the mean of its divisors is an integer number (240133255).

Almost surely, 2^480266509 is an apocalyptic number.

It is an amenable number.

480266509 is a deficient number, since it is larger than the sum of its proper divisors (1).

480266509 is an equidigital number, since it uses as much as digits as its factorization.

480266509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 480266509 is about 21914.9836641509. The cubic root of 480266509 is about 783.1184107923.

The spelling of 480266509 in words is "four hundred eighty million, two hundred sixty-six thousand, five hundred nine".