14002561 has 8 divisors (see below), whose sum is σ = 14656320. Its totient is φ = 13352592.

The previous prime is 14002553. The next prime is 14002579. The reversal of 14002561 is 16520041.

14002561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14002561 - 2³ = 14002553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14002501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (1832040).

Almost surely, 2^14002561 is an apocalyptic number.

It is an amenable number.

14002561 is a deficient number, since it is larger than the sum of its proper divisors (653759).

14002561 is a wasteful number, since it uses less digits than its factorization.

14002561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 14002561 is about 3741.9995991448. Note that the first 3 decimals coincide. The cubic root of 14002561 is about 241.0289216509.

The spelling of 14002561 in words is "fourteen million, two thousand, five hundred sixty-one".