14312561 has 2 divisors, whose sum is σ = 14312562. Its totient is φ = 14312560.

The previous prime is 14312513. The next prime is 14312563. The reversal of 14312561 is 16521341.

14312561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 1062961 = 3640^2 + 1031^2 .

It is an emirp because it is prime and its reverse (16521341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14312561 - 2⁶ = 14312497 is a prime.

Together with 14312563, 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 (14312563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156280 + 7156281.

It is an arithmetic number, because the mean of its divisors is an integer number (7156281).

Almost surely, 2^14312561 is an apocalyptic number.

It is an amenable number.

14312561 is a deficient number, since it is larger than the sum of its proper divisors (1).

14312561 is an equidigital number, since it uses as much as digits as its factorization.

14312561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 14312561 is about 3783.1945495837. The cubic root of 14312561 is about 242.7946522855.

The spelling of 14312561 in words is "fourteen million, three hundred twelve thousand, five hundred sixty-one".