2118524 has 24 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 1016064.

The previous prime is 2118517. The next prime is 2118527. The reversal of 2118524 is 4258112.

It is a self number, because there is not a number n which added to its sum of digits gives 2118524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18692 + ... + 18804.

It is an arithmetic number, because the mean of its divisors is an integer number (160930).

2^2118524 is an apocalyptic number.

It is an amenable number.

2118524 is a deficient number, since it is larger than the sum of its proper divisors (1743796).

2118524 is a wasteful number, since it uses less digits than its factorization.

2118524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 267 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 2118524 is about 1455.5150291220. The cubic root of 2118524 is about 128.4333456999.

The spelling of 2118524 in words is "two million, one hundred eighteen thousand, five hundred twenty-four".