2259509 has 8 divisors (see below), whose sum is σ = 2614080. Its totient is φ = 1912896.

The previous prime is 2259503. The next prime is 2259527. The reversal of 2259509 is 9059522.

2259509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2259509 - 2⁴ = 2259493 is a prime.

It is an Ulam 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 (2259503) 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 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (326760).

2^2259509 is an apocalyptic number.

It is an amenable number.

2259509 is a deficient number, since it is larger than the sum of its proper divisors (354571).

2259509 is an equidigital number, since it uses as much as digits as its factorization.

2259509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 2259509 is about 1503.1663247958. The cubic root of 2259509 is about 131.2214075283.

The spelling of 2259509 in words is "two million, two hundred fifty-nine thousand, five hundred nine".