5172202172 has 12 divisors (see below), whose sum is σ = 9052815240. Its totient is φ = 2585683536.

The previous prime is 5172202157. The next prime is 5172202177. The reversal of 5172202172 is 2712022715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172202177) 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, 75638 + ... + 126749.

It is an arithmetic number, because the mean of its divisors is an integer number (754401270).

Almost surely, 2^5172202172 is an apocalyptic number.

It is an amenable number.

5172202172 is a deficient number, since it is larger than the sum of its proper divisors (3880613068).

5172202172 is a wasteful number, since it uses less digits than its factorization.

5172202172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208780 (or 208778 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 5172202172 is about 71918.0239717416. The cubic root of 5172202172 is about 1729.3855695009.

Adding to 5172202172 its reverse (2712022715), we get a palindrome (7884224887).

The spelling of 5172202172 in words is "five billion, one hundred seventy-two million, two hundred two thousand, one hundred seventy-two".