5178225 has 48 divisors (see below), whose sum is σ = 9499392. Its totient is φ = 2472960.

The previous prime is 5178193. The next prime is 5178301. The reversal of 5178225 is 5228715.

It is not a de Polignac number, because 5178225 - 2⁵ = 5178193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5178192 and 5178201.

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 47 ways as a sum of consecutive naturals, for example, 45769 + ... + 45881.

It is an arithmetic number, because the mean of its divisors is an integer number (197904).

Almost surely, 2^5178225 is an apocalyptic number.

It is an amenable number.

5178225 is a deficient number, since it is larger than the sum of its proper divisors (4321167).

5178225 is a wasteful number, since it uses less digits than its factorization.

5178225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 181 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 5178225 is about 2275.5713568245. The cubic root of 5178225 is about 173.0056576496.

The spelling of 5178225 in words is "five million, one hundred seventy-eight thousand, two hundred twenty-five".