5139216 has 60 divisors (see below), whose sum is σ = 14580540. Its totient is φ = 1689600.

The previous prime is 5139203. The next prime is 5139221. The reversal of 5139216 is 6129315.

It can be written as a sum of positive squares in 2 ways, for example, as 3459600 + 1679616 = 1860^2 + 1296^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5139216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12616 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (243009).

Almost surely, 2^5139216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5139216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7290270).

5139216 is an abundant number, since it is smaller than the sum of its proper divisors (9441324).

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

5139216 is a wasteful number, since it uses less digits than its factorization.

5139216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 495 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5139216 is about 2266.9838993694. The cubic root of 5139216 is about 172.5701290155.

Subtracting 5139216 from its reverse (6129315), we obtain a palindrome (990099).

The spelling of 5139216 in words is "five million, one hundred thirty-nine thousand, two hundred sixteen".