14537521 has 2 divisors, whose sum is σ = 14537522. Its totient is φ = 14537520.

The previous prime is 14537507. The next prime is 14537539. The reversal of 14537521 is 12573541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 3381921 = 3340^2 + 1839^2 .

It is an emirp because it is prime and its reverse (12573541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14537521 - 2¹¹ = 14535473 is a prime.

It is a super-2 number, since 2×14537521² = 422679033650882, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 14537521.

It is not a weakly prime, because it can be changed into another prime (14537561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7268760 + 7268761.

It is an arithmetic number, because the mean of its divisors is an integer number (7268761).

Almost surely, 2^14537521 is an apocalyptic number.

It is an amenable number.

14537521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14537521 is an equidigital number, since it uses as much as digits as its factorization.

14537521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 14537521 is about 3812.8101185346. The cubic root of 14537521 is about 244.0601000839.

The spelling of 14537521 in words is "fourteen million, five hundred thirty-seven thousand, five hundred twenty-one".