14252009 has 8 divisors (see below), whose sum is σ = 14597832. Its totient is φ = 13910400.

The previous prime is 14251997. The next prime is 14252011. The reversal of 14252009 is 90025241.

It can be written as a sum of positive squares in 4 ways, for example, as 7507600 + 6744409 = 2740^2 + 2597^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14252009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14252059) 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, 6407 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (1824729).

Almost surely, 2^14252009 is an apocalyptic number.

It is an amenable number.

14252009 is a deficient number, since it is larger than the sum of its proper divisors (345823).

14252009 is a wasteful number, since it uses less digits than its factorization.

14252009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 14252009 is about 3775.1833068078. The cubic root of 14252009 is about 242.4517720367.

The spelling of 14252009 in words is "fourteen million, two hundred fifty-two thousand, nine".