14090521 has 2 divisors, whose sum is σ = 14090522. Its totient is φ = 14090520.

The previous prime is 14090497. The next prime is 14090543. The reversal of 14090521 is 12509041.

It is an a-pointer prime, because the next prime (14090543) can be obtained adding 14090521 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 3200521 = 3300^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 14090521 - 2⁷ = 14090393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14090492 and 14090501.

It is not a weakly prime, because it can be changed into another prime (14090561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7045260 + 7045261.

It is an arithmetic number, because the mean of its divisors is an integer number (7045261).

Almost surely, 2^14090521 is an apocalyptic number.

It is an amenable number.

14090521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14090521 is an equidigital number, since it uses as much as digits as its factorization.

14090521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 14090521 is about 3753.7342740263. The cubic root of 14090521 is about 241.5325596543.

Adding to 14090521 its reverse (12509041), we get a palindrome (26599562).

The spelling of 14090521 in words is "fourteen million, ninety thousand, five hundred twenty-one".