14530209 has 4 divisors (see below), whose sum is σ = 19373616. Its totient is φ = 9686804.

The previous prime is 14530199. The next prime is 14530211. The reversal of 14530209 is 90203541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90203541 = 3 ⋅30067847.

It is a cyclic number.

It is not a de Polignac number, because 14530209 - 2⁵ = 14530177 is a prime.

It is a super-2 number, since 2×14530209² = 422253947167362, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14530249) 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, 2421699 + ... + 2421704.

It is an arithmetic number, because the mean of its divisors is an integer number (4843404).

Almost surely, 2^14530209 is an apocalyptic number.

It is an amenable number.

14530209 is a deficient number, since it is larger than the sum of its proper divisors (4843407).

14530209 is an equidigital number, since it uses as much as digits as its factorization.

14530209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843406.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 14530209 is about 3811.8511251097. The cubic root of 14530209 is about 244.0191745659.

The spelling of 14530209 in words is "fourteen million, five hundred thirty thousand, two hundred nine".