500005000 has 80 divisors (see below), whose sum is σ = 1278153360. Its totient is φ = 181800000.

The previous prime is 500004991. The next prime is 500005039. The reversal of 500005000 is 500005.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50455 + ... + 59545.

It is an arithmetic number, because the mean of its divisors is an integer number (15976917).

Almost surely, 2^500005000 is an apocalyptic number.

500005000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639076680).

500005000 is an abundant number, since it is smaller than the sum of its proper divisors (778148360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500005000 is a wasteful number, since it uses less digits than its factorization.

500005000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 10.

The square root of 500005000 is about 22360.7915781173. The cubic root of 500005000 is about 793.7031716437.

Adding to 500005000 its reverse (500005), we get a palindrome (500505005).

500005000 divided by its reverse (500005) gives a cube (1000 = 10³).

The spelling of 500005000 in words is "five hundred million, five thousand".