14531009 has 8 divisors (see below), whose sum is σ = 15299712. Its totient is φ = 13773760.

The previous prime is 14531003. The next prime is 14531021. The reversal of 14531009 is 90013541.

It is a happy number.

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 14531009 - 2⁸ = 14530753 is a prime.

It is a super-2 number, since 2×14531009² = 422300445116162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14531003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 5394.

It is an arithmetic number, because the mean of its divisors is an integer number (1912464).

Almost surely, 2^14531009 is an apocalyptic number.

It is an amenable number.

14531009 is a deficient number, since it is larger than the sum of its proper divisors (768703).

14531009 is a wasteful number, since it uses less digits than its factorization.

14531009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 14531009 is about 3811.9560595579. The cubic root of 14531009 is about 244.0236528625.

The spelling of 14531009 in words is "fourteen million, five hundred thirty-one thousand, nine".