14527521 has 12 divisors (see below), whose sum is σ = 21708180. Its totient is φ = 9350880.

The previous prime is 14527519. The next prime is 14527549. The reversal of 14527521 is 12572541.

14527521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5760000 + 8767521 = 2400^2 + 2961^2 .

It is not a de Polignac number, because 14527521 - 2¹ = 14527519 is a prime.

It is a super-2 number, since 2×14527521² = 422097732810882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14527501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27570 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (1809015).

Almost surely, 2^14527521 is an apocalyptic number.

It is an amenable number.

14527521 is a deficient number, since it is larger than the sum of its proper divisors (7180659).

14527521 is a wasteful number, since it uses less digits than its factorization.

14527521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55696 (or 55693 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 14527521 is about 3811.4985242028. The cubic root of 14527521 is about 244.0041262851.

The spelling of 14527521 in words is "fourteen million, five hundred twenty-seven thousand, five hundred twenty-one".