14527321 has 2 divisors, whose sum is σ = 14527322. Its totient is φ = 14527320.

The previous prime is 14527309. The next prime is 14527339. The reversal of 14527321 is 12372541.

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., 14523721 + 3600 = 3811^2 + 60^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14527321 is a prime.

It is a super-2 number, since 2×14527321² = 422086110874082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14527301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7263660 + 7263661.

It is an arithmetic number, because the mean of its divisors is an integer number (7263661).

Almost surely, 2^14527321 is an apocalyptic number.

It is an amenable number.

14527321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14527321 is an equidigital number, since it uses as much as digits as its factorization.

14527321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 14527321 is about 3811.4722877125. The cubic root of 14527321 is about 244.0030065472.

Adding to 14527321 its reverse (12372541), we get a palindrome (26899862).

The spelling of 14527321 in words is "fourteen million, five hundred twenty-seven thousand, three hundred twenty-one".