14242561 has 2 divisors, whose sum is σ = 14242562. Its totient is φ = 14242560.

The previous prime is 14242537. The next prime is 14242573. The reversal of 14242561 is 16524241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 3352561 = 3300^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 14242561 - 2⁷ = 14242433 is a prime.

It is a super-3 number, since 3×14242561³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (14242511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121280 + 7121281.

It is an arithmetic number, because the mean of its divisors is an integer number (7121281).

Almost surely, 2^14242561 is an apocalyptic number.

It is an amenable number.

14242561 is a deficient number, since it is larger than the sum of its proper divisors (1).

14242561 is an equidigital number, since it uses as much as digits as its factorization.

14242561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 14242561 is about 3773.9317693885. The cubic root of 14242561 is about 242.3981844872.

The spelling of 14242561 in words is "fourteen million, two hundred forty-two thousand, five hundred sixty-one".