5155218 has 16 divisors (see below), whose sum is σ = 11456160. Its totient is φ = 1718388.

The previous prime is 5155193. The next prime is 5155219. The reversal of 5155218 is 8125515.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5155191 and 5155200.

It is not an unprimeable number, because it can be changed into a prime (5155219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47680 + ... + 47787.

It is an arithmetic number, because the mean of its divisors is an integer number (716010).

Almost surely, 2^5155218 is an apocalyptic number.

5155218 is an abundant number, since it is smaller than the sum of its proper divisors (6300942).

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

5155218 is a wasteful number, since it uses less digits than its factorization.

5155218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95478 (or 95472 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 5155218 is about 2270.5105152806. The cubic root of 5155218 is about 172.7490542329.

The spelling of 5155218 in words is "five million, one hundred fifty-five thousand, two hundred eighteen".