14172539 has 4 divisors (see below), whose sum is σ = 14181024. Its totient is φ = 14164056.

The previous prime is 14172533. The next prime is 14172553. The reversal of 14172539 is 93527141.

14172539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14172539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14172533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (3545256).

Almost surely, 2^14172539 is an apocalyptic number.

14172539 is a deficient number, since it is larger than the sum of its proper divisors (8485).

14172539 is an equidigital number, since it uses as much as digits as its factorization.

14172539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484.

The product of its digits is 7560, while the sum is 32.

The square root of 14172539 is about 3764.6432765934. The cubic root of 14172539 is about 242.0002902804. Note that the first 3 decimals are identical.

The spelling of 14172539 in words is "fourteen million, one hundred seventy-two thousand, five hundred thirty-nine".