480468509 has 2 divisors, whose sum is σ = 480468510. Its totient is φ = 480468508.

The previous prime is 480468503. The next prime is 480468563. The reversal of 480468509 is 905864084.

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., 415262884 + 65205625 = 20378^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 480468509 - 2⁴ = 480468493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 480468509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480468503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240234254 + 240234255.

It is an arithmetic number, because the mean of its divisors is an integer number (240234255).

Almost surely, 2^480468509 is an apocalyptic number.

It is an amenable number.

480468509 is a deficient number, since it is larger than the sum of its proper divisors (1).

480468509 is an equidigital number, since it uses as much as digits as its factorization.

480468509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 480468509 is about 21919.5918985733. The cubic root of 480468509 is about 783.2281885532.

The spelling of 480468509 in words is "four hundred eighty million, four hundred sixty-eight thousand, five hundred nine".