14025521 has 4 divisors (see below), whose sum is σ = 14170212. Its totient is φ = 13880832.

The previous prime is 14025511. The next prime is 14025541. The reversal of 14025521 is 12552041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 10491121 = 1880^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 14025521 - 2⁶ = 14025457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14025493 and 14025502.

It is not an unprimeable number, because it can be changed into a prime (14025511) 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, 72200 + ... + 72393.

It is an arithmetic number, because the mean of its divisors is an integer number (3542553).

Almost surely, 2^14025521 is an apocalyptic number.

It is an amenable number.

14025521 is a deficient number, since it is larger than the sum of its proper divisors (144691).

14025521 is an equidigital number, since it uses as much as digits as its factorization.

14025521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144690.

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

The square root of 14025521 is about 3745.0662210434. The cubic root of 14025521 is about 241.1605880910.

Adding to 14025521 its reverse (12552041), we get a palindrome (26577562).

The spelling of 14025521 in words is "fourteen million, twenty-five thousand, five hundred twenty-one".