21114514 has 8 divisors (see below), whose sum is σ = 32144688. Its totient is φ = 10399620.

The previous prime is 21114463. The next prime is 21114521. The reversal of 21114514 is 41541112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21114491 and 21114500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78652 + ... + 78919.

It is an arithmetic number, because the mean of its divisors is an integer number (4018086).

Almost surely, 2^21114514 is an apocalyptic number.

21114514 is a deficient number, since it is larger than the sum of its proper divisors (11030174).

21114514 is a wasteful number, since it uses less digits than its factorization.

21114514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157640.

The product of its digits is 160, while the sum is 19.

The square root of 21114514 is about 4595.0532097028. The cubic root of 21114514 is about 276.3929936797.

Adding to 21114514 its reverse (41541112), we get a palindrome (62655626).

The spelling of 21114514 in words is "twenty-one million, one hundred fourteen thousand, five hundred fourteen".