502000009 has 8 divisors (see below), whose sum is σ = 573850368. Its totient is φ = 430183680.

The previous prime is 502000003. The next prime is 502000013. The reversal of 502000009 is 900000205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 502000009 - 2⁵ = 501999977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501999956 and 502000001.

It is not an unprimeable number, because it can be changed into a prime (502000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49449 + ... + 58729.

It is an arithmetic number, because the mean of its divisors is an integer number (71731296).

Almost surely, 2^502000009 is an apocalyptic number.

It is an amenable number.

502000009 is a deficient number, since it is larger than the sum of its proper divisors (71850359).

502000009 is an equidigital number, since it uses as much as digits as its factorization.

502000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 502000009 is about 22405.3567032529. The cubic root of 502000009 is about 794.7573902057.

The spelling of 502000009 in words is "five hundred two million, nine", and thus it is an aban number.