5318389 has 4 divisors (see below), whose sum is σ = 5324620. Its totient is φ = 5312160.

The previous prime is 5318363. The next prime is 5318431. The reversal of 5318389 is 9838135.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4431025 + 887364 = 2105^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 5318389 - 2¹¹ = 5316341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118389) 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, 1584 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (1331155).

Almost surely, 2^5318389 is an apocalyptic number.

It is an amenable number.

5318389 is a deficient number, since it is larger than the sum of its proper divisors (6231).

5318389 is a wasteful number, since it uses less digits than its factorization.

5318389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230.

The product of its digits is 25920, while the sum is 37.

The square root of 5318389 is about 2306.1632639516. The cubic root of 5318389 is about 174.5527518174.

The spelling of 5318389 in words is "five million, three hundred eighteen thousand, three hundred eighty-nine".