5178172 has 12 divisors (see below), whose sum is σ = 9189936. Its totient is φ = 2552480.

The previous prime is 5178163. The next prime is 5178181. The reversal of 5178172 is 2718715.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5178163) and next prime (5178181).

It is a super-3 number, since 3×5178172³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8833 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (765828).

Almost surely, 2^5178172 is an apocalyptic number.

It is an amenable number.

5178172 is a deficient number, since it is larger than the sum of its proper divisors (4011764).

5178172 is a wasteful number, since it uses less digits than its factorization.

5178172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308 (or 18306 counting only the distinct ones).

The product of its digits is 3920, while the sum is 31.

The square root of 5178172 is about 2275.5597113677. The cubic root of 5178172 is about 173.0050674003.

The spelling of 5178172 in words is "five million, one hundred seventy-eight thousand, one hundred seventy-two".