5218500 has 144 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 1176000.

The previous prime is 5218487. The next prime is 5218511. The reversal of 5218500 is 58125.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73465 + ... + 73535.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

Almost surely, 2^5218500 is an apocalyptic number.

5218500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8963136).

5218500 is an abundant number, since it is smaller than the sum of its proper divisors (12707772).

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

5218500 is a wasteful number, since it uses less digits than its factorization.

5218500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5218500 is about 2284.4036420913. The cubic root of 5218500 is about 173.4530320478.

The spelling of 5218500 in words is "five million, two hundred eighteen thousand, five hundred".