14265521 has 4 divisors (see below), whose sum is σ = 14499444. Its totient is φ = 14031600.

The previous prime is 14265509. The next prime is 14265539. The reversal of 14265521 is 12556241.

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 6948496 + 7317025 = 2636^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 14265521 - 2¹⁸ = 14003377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14265541) 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, 116870 + ... + 116991.

It is an arithmetic number, because the mean of its divisors is an integer number (3624861).

Almost surely, 2^14265521 is an apocalyptic number.

It is an amenable number.

14265521 is a deficient number, since it is larger than the sum of its proper divisors (233923).

14265521 is an equidigital number, since it uses as much as digits as its factorization.

14265521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233922.

The product of its digits is 2400, while the sum is 26.

The square root of 14265521 is about 3776.9724648189. The cubic root of 14265521 is about 242.5283688071.

The spelling of 14265521 in words is "fourteen million, two hundred sixty-five thousand, five hundred twenty-one".