4275509 has 4 divisors (see below), whose sum is σ = 4886304. Its totient is φ = 3664716.

The previous prime is 4275503. The next prime is 4275511. The reversal of 4275509 is 9055724.

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.

It is a cyclic number.

It is not a de Polignac number, because 4275509 - 2⁸ = 4275253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4275503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305387 + ... + 305400.

It is an arithmetic number, because the mean of its divisors is an integer number (1221576).

Almost surely, 2^4275509 is an apocalyptic number.

It is an amenable number.

4275509 is a deficient number, since it is larger than the sum of its proper divisors (610795).

4275509 is an equidigital number, since it uses as much as digits as its factorization.

4275509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610794.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 4275509 is about 2067.7303982870. The cubic root of 4275509 is about 162.3040193569.

The spelling of 4275509 in words is "four million, two hundred seventy-five thousand, five hundred nine".