2118514 has 4 divisors (see below), whose sum is σ = 3177774. Its totient is φ = 1059256.

The previous prime is 2118503. The next prime is 2118517. The reversal of 2118514 is 4158112.

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

It can be written as a sum of positive squares in only one way, i.e., 2053489 + 65025 = 1433^2 + 255^2 .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529627 + ... + 529630.

2^2118514 is an apocalyptic number.

2118514 is a deficient number, since it is larger than the sum of its proper divisors (1059260).

2118514 is a wasteful number, since it uses less digits than its factorization.

2118514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059259.

The product of its digits is 320, while the sum is 22.

The square root of 2118514 is about 1455.5115939078. The cubic root of 2118514 is about 128.4331436196.

The spelling of 2118514 in words is "two million, one hundred eighteen thousand, five hundred fourteen".