507009 has 4 divisors (see below), whose sum is σ = 676016. Its totient is φ = 338004.

The previous prime is 506999. The next prime is 507029. The reversal of 507009 is 900705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 507009 - 2⁴ = 506993 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 507009.

It is not an unprimeable number, because it can be changed into a prime (507029) 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, 84499 + ... + 84504.

It is an arithmetic number, because the mean of its divisors is an integer number (169004).

2⁵⁰⁷⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

507009 is a deficient number, since it is larger than the sum of its proper divisors (169007).

507009 is a wasteful number, since it uses less digits than its factorization.

507009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169006.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 507009 is about 712.0456446043. The cubic root of 507009 is about 79.7392028176.

The spelling of 507009 in words is "five hundred seven thousand, nine".