500243172 has 192 divisors, whose sum is σ = 1471411200. Its totient is φ = 130014720.

The previous prime is 500243143. The next prime is 500243179. The reversal of 500243172 is 271342005.

It is a super-2 number, since 2×500243172² = 500486462265243168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (500243179) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2184354 + ... + 2184582.

It is an arithmetic number, because the mean of its divisors is an integer number (7663600).

Almost surely, 2^500243172 is an apocalyptic number.

500243172 is a gapful number since it is divisible by the number (52) 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 500243172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735705600).

500243172 is an abundant number, since it is smaller than the sum of its proper divisors (971168028).

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

500243172 is a wasteful number, since it uses less digits than its factorization.

500243172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 500243172 is about 22366.1166052581. The cubic root of 500243172 is about 793.8291756266.

Adding to 500243172 its reverse (271342005), we get a palindrome (771585177).

The spelling of 500243172 in words is "five hundred million, two hundred forty-three thousand, one hundred seventy-two".