14533909 has 4 divisors (see below), whose sum is σ = 15651916. Its totient is φ = 13415904.

The previous prime is 14533889. The next prime is 14533927. The reversal of 14533909 is 90933541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90933541 = 743 ⋅122387.

It can be written as a sum of positive squares in 2 ways, for example, as 680625 + 13853284 = 825^2 + 3722^2 .

It is a cyclic number.

It is not a de Polignac number, because 14533909 - 2⁵ = 14533877 is a prime.

It is a super-2 number, since 2×14533909² = 422469021640562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14533949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558984 + ... + 559009.

It is an arithmetic number, because the mean of its divisors is an integer number (3912979).

Almost surely, 2^14533909 is an apocalyptic number.

It is an amenable number.

14533909 is a deficient number, since it is larger than the sum of its proper divisors (1118007).

14533909 is a wasteful number, since it uses less digits than its factorization.

14533909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118006.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 14533909 is about 3812.3364227203. The cubic root of 14533909 is about 244.0398853100.

The spelling of 14533909 in words is "fourteen million, five hundred thirty-three thousand, nine hundred nine".