5188321 has 4 divisors (see below), whose sum is σ = 5200132. Its totient is φ = 5176512.

The previous prime is 5188319. The next prime is 5188333. The reversal of 5188321 is 1238815.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3045025 + 2143296 = 1745^2 + 1464^2 .

It is a cyclic number.

It is not a de Polignac number, because 5188321 - 2¹ = 5188319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5188321.

It is not an unprimeable number, because it can be changed into a prime (5188301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (1300033).

Almost surely, 2^5188321 is an apocalyptic number.

It is an amenable number.

5188321 is a deficient number, since it is larger than the sum of its proper divisors (11811).

5188321 is a wasteful number, since it uses less digits than its factorization.

5188321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810.

The product of its digits is 1920, while the sum is 28.

The square root of 5188321 is about 2277.7886205704. The cubic root of 5188321 is about 173.1180211969.

The spelling of 5188321 in words is "five million, one hundred eighty-eight thousand, three hundred twenty-one".