14967521 has 2 divisors, whose sum is σ = 14967522. Its totient is φ = 14967520.

The previous prime is 14967517. The next prime is 14967523. The reversal of 14967521 is 12576941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14137600 + 829921 = 3760^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 14967521 - 2² = 14967517 is a prime.

Together with 14967523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14967523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7483760 + 7483761.

It is an arithmetic number, because the mean of its divisors is an integer number (7483761).

Almost surely, 2^14967521 is an apocalyptic number.

It is an amenable number.

14967521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14967521 is an equidigital number, since it uses as much as digits as its factorization.

14967521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 14967521 is about 3868.7880531246. The cubic root of 14967521 is about 246.4430785790.

The spelling of 14967521 in words is "fourteen million, nine hundred sixty-seven thousand, five hundred twenty-one".