5118523 has 4 divisors (see below), whose sum is σ = 5123520. Its totient is φ = 5113528.

The previous prime is 5118517. The next prime is 5118557. The reversal of 5118523 is 3258115.

It is a happy number.

5118523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 is a cyclic number.

It is not a de Polignac number, because 5118523 - 2¹³ = 5110331 is a prime.

It is a Duffinian number.

5118523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5118583) 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, 340 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (1280880).

Almost surely, 2^5118523 is an apocalyptic number.

5118523 is a deficient number, since it is larger than the sum of its proper divisors (4997).

5118523 is a wasteful number, since it uses less digits than its factorization.

5118523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996.

The product of its digits is 1200, while the sum is 25.

The square root of 5118523 is about 2262.4153022821. The cubic root of 5118523 is about 172.3382001709.

The spelling of 5118523 in words is "five million, one hundred eighteen thousand, five hundred twenty-three".