14310521 has 2 divisors, whose sum is σ = 14310522. Its totient is φ = 14310520.

The previous prime is 14310503. The next prime is 14310523. The reversal of 14310521 is 12501341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 4000000 = 3211^2 + 2000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14310521 is a prime.

It is a super-2 number, since 2×14310521² = 409582022582882, which contains 22 as substring.

Together with 14310523, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14310521.

It is not a weakly prime, because it can be changed into another prime (14310523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155260 + 7155261.

It is an arithmetic number, because the mean of its divisors is an integer number (7155261).

Almost surely, 2^14310521 is an apocalyptic number.

It is an amenable number.

14310521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14310521 is an equidigital number, since it uses as much as digits as its factorization.

14310521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 14310521 is about 3782.9249265615. The cubic root of 14310521 is about 242.7831163900.

Adding to 14310521 its reverse (12501341), we get a palindrome (26811862).

The spelling of 14310521 in words is "fourteen million, three hundred ten thousand, five hundred twenty-one".