5178536 has 32 divisors (see below), whose sum is σ = 10735200. Its totient is φ = 2322240.

The previous prime is 5178521. The next prime is 5178541. The reversal of 5178536 is 6358715.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5178496 and 5178505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6950 + ... + 7658.

It is an arithmetic number, because the mean of its divisors is an integer number (335475).

Almost surely, 2^5178536 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 5178536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5367600).

5178536 is an abundant number, since it is smaller than the sum of its proper divisors (5556664).

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

5178536 is a wasteful number, since it uses less digits than its factorization.

5178536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 805 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 5178536 is about 2275.6396902849. The cubic root of 5178536 is about 173.0091211069.

It can be divided in two parts, 51 and 78536, that added together give a palindrome (78587).

The spelling of 5178536 in words is "five million, one hundred seventy-eight thousand, five hundred thirty-six".