4275209 has 8 divisors (see below), whose sum is σ = 4656000. Its totient is φ = 3910032.

The previous prime is 4275181. The next prime is 4275233. The reversal of 4275209 is 9025724.

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-4275209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4275259) 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, 3329 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (582000).

Almost surely, 2^4275209 is an apocalyptic number.

It is an amenable number.

4275209 is a deficient number, since it is larger than the sum of its proper divisors (380791).

4275209 is a wasteful number, since it uses less digits than its factorization.

4275209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4275209 is about 2067.6578537079. The cubic root of 4275209 is about 162.3002231348.

The spelling of 4275209 in words is "four million, two hundred seventy-five thousand, two hundred nine".