14052521 has 4 divisors (see below), whose sum is σ = 16060032. Its totient is φ = 12045012.

The previous prime is 14052491. The next prime is 14052539. The reversal of 14052521 is 12525041.

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 de Polignac number, because none of the positive numbers 2^k-14052521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14052493 and 14052502.

It is not an unprimeable number, because it can be changed into a prime (14052541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003745 + ... + 1003758.

It is an arithmetic number, because the mean of its divisors is an integer number (4015008).

Almost surely, 2^14052521 is an apocalyptic number.

It is an amenable number.

14052521 is a deficient number, since it is larger than the sum of its proper divisors (2007511).

14052521 is an equidigital number, since it uses as much as digits as its factorization.

14052521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007510.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 14052521 is about 3748.6692305404. The cubic root of 14052521 is about 241.3152386051.

Adding to 14052521 its reverse (12525041), we get a palindrome (26577562).

The spelling of 14052521 in words is "fourteen million, fifty-two thousand, five hundred twenty-one".