14240521 has 4 divisors (see below), whose sum is σ = 14263312. Its totient is φ = 14217732.

The previous prime is 14240503. The next prime is 14240573. The reversal of 14240521 is 12504241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14240521 - 2¹¹ = 14238473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14240581) 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 3 ways as a sum of consecutive naturals, for example, 10431 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (3565828).

Almost surely, 2^14240521 is an apocalyptic number.

It is an amenable number.

14240521 is a deficient number, since it is larger than the sum of its proper divisors (22791).

14240521 is an equidigital number, since it uses as much as digits as its factorization.

14240521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22790.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 14240521 is about 3773.6614845532. The cubic root of 14240521 is about 242.3866108218.

Adding to 14240521 its reverse (12504241), we get a palindrome (26744762).

The spelling of 14240521 in words is "fourteen million, two hundred forty thousand, five hundred twenty-one".