509420883 has 18 divisors (see below), whose sum is σ = 691916844. Its totient is φ = 333385104.

The previous prime is 509420867. The next prime is 509420909. The reversal of 509420883 is 388024905.

It is a happy number.

It is not a de Polignac number, because 509420883 - 2⁴ = 509420867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (509420083) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3244641 + ... + 3244797.

Almost surely, 2^509420883 is an apocalyptic number.

509420883 is a deficient number, since it is larger than the sum of its proper divisors (182495961).

509420883 is an frugal number, since it uses more digits than its factorization.

509420883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 509420883 is about 22570.3540734300. The cubic root of 509420883 is about 798.6544480270.

The spelling of 509420883 in words is "five hundred nine million, four hundred twenty thousand, eight hundred eighty-three".