14253521 has 4 divisors (see below), whose sum is σ = 14713344. Its totient is φ = 13793700.

The previous prime is 14253493. The next prime is 14253523. The reversal of 14253521 is 12535241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12535241 = 83 ⋅151027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14253521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14253523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229865 + ... + 229926.

It is an arithmetic number, because the mean of its divisors is an integer number (3678336).

Almost surely, 2^14253521 is an apocalyptic number.

It is an amenable number.

14253521 is a deficient number, since it is larger than the sum of its proper divisors (459823).

14253521 is an equidigital number, since it uses as much as digits as its factorization.

14253521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459822.

The product of its digits is 1200, while the sum is 23.

The square root of 14253521 is about 3775.3835566734. The cubic root of 14253521 is about 242.4603456611.

Adding to 14253521 its reverse (12535241), we get a palindrome (26788762).

The spelling of 14253521 in words is "fourteen million, two hundred fifty-three thousand, five hundred twenty-one".