509874013 has 16 divisors (see below), whose sum is σ = 589838976. Its totient is φ = 435594240.

The previous prime is 509874011. The next prime is 509874031. The reversal of 509874013 is 310478905.

It is a cyclic number.

It is not a de Polignac number, because 509874013 - 2¹ = 509874011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509874011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152245 + ... + 155557.

It is an arithmetic number, because the mean of its divisors is an integer number (36864936).

Almost surely, 2^509874013 is an apocalyptic number.

It is an amenable number.

509874013 is a deficient number, since it is larger than the sum of its proper divisors (79964963).

509874013 is a wasteful number, since it uses less digits than its factorization.

509874013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 509874013 is about 22580.3900099179. The cubic root of 509874013 is about 798.8911789591.

The spelling of 509874013 in words is "five hundred nine million, eight hundred seventy-four thousand, thirteen".