509470567 has 4 divisors (see below), whose sum is σ = 509515720. Its totient is φ = 509425416.

The previous prime is 509470561. The next prime is 509470573. The reversal of 509470567 is 765074905.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (509470561) and next prime (509470573).

It is a cyclic number.

It is not a de Polignac number, because 509470567 - 2¹⁹ = 508946279 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509470561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10609 + ... + 33637.

It is an arithmetic number, because the mean of its divisors is an integer number (127378930).

Almost surely, 2^509470567 is an apocalyptic number.

509470567 is a deficient number, since it is larger than the sum of its proper divisors (45153).

509470567 is a wasteful number, since it uses less digits than its factorization.

509470567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45152.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 509470567 is about 22571.4546939270. The cubic root of 509470567 is about 798.6804115338.

The spelling of 509470567 in words is "five hundred nine million, four hundred seventy thousand, five hundred sixty-seven".