14005000521 has 28 divisors (see below), whose sum is σ = 21035808048. Its totient is φ = 9319810104.

The previous prime is 14005000519. The next prime is 14005000543. The reversal of 14005000521 is 12500050041.

14005000521 is a `hidden beast` number, since 140 + 0 + 5 + 0 + 0 + 0 + 521 = 666.

It is not a de Polignac number, because 14005000521 - 2¹ = 14005000519 is a prime.

It is a super-2 number, since 2×14005000521² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14005000494 and 14005000503.

It is not an unprimeable number, because it can be changed into a prime (14005000561) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 393366 + ... + 427488.

Almost surely, 2^14005000521 is an apocalyptic number.

It is an amenable number.

14005000521 is a deficient number, since it is larger than the sum of its proper divisors (7030807527).

14005000521 is an frugal number, since it uses more digits than its factorization.

14005000521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34704 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 14005000521 its reverse (12500050041), we get a palindrome (26505050562).

The spelling of 14005000521 in words is "fourteen billion, five million, five hundred twenty-one", and thus it is an aban number.