5218172 has 6 divisors (see below), whose sum is σ = 9131808. Its totient is φ = 2609084.

The previous prime is 5218151. The next prime is 5218181. The reversal of 5218172 is 2718125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652268 + ... + 652275.

It is an arithmetic number, because the mean of its divisors is an integer number (1521968).

Almost surely, 2^5218172 is an apocalyptic number.

It is an amenable number.

5218172 is a deficient number, since it is larger than the sum of its proper divisors (3913636).

5218172 is a wasteful number, since it uses less digits than its factorization.

5218172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304547 (or 1304545 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 5218172 is about 2284.3318497977. The cubic root of 5218172 is about 173.4493979393.

The spelling of 5218172 in words is "five million, two hundred eighteen thousand, one hundred seventy-two".