2118519 has 24 divisors (see below), whose sum is σ = 3472560. Its totient is φ = 1233792.

The previous prime is 2118517. The next prime is 2118527. The reversal of 2118519 is 9158112.

2118519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2118519 - 2¹ = 2118517 is a prime.

It is a super-2 number, since 2×2118519² = 8976245506722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2118492 and 2118501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1747 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (144690).

2^2118519 is an apocalyptic number.

2118519 is a deficient number, since it is larger than the sum of its proper divisors (1354041).

2118519 is a wasteful number, since it uses less digits than its factorization.

2118519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 988 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 2118519 is about 1455.5133115159. The cubic root of 2118519 is about 128.4332446598.

The spelling of 2118519 in words is "two million, one hundred eighteen thousand, five hundred nineteen".