2259089 has 4 divisors (see below), whose sum is σ = 2581824. Its totient is φ = 1936356.

The previous prime is 2259053. The next prime is 2259097. The reversal of 2259089 is 9809522.

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 2259089 - 2¹⁶ = 2193553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2259029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161357 + ... + 161370.

It is an arithmetic number, because the mean of its divisors is an integer number (645456).

2^2259089 is an apocalyptic number.

It is an amenable number.

2259089 is a deficient number, since it is larger than the sum of its proper divisors (322735).

2259089 is an equidigital number, since it uses as much as digits as its factorization.

2259089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322734.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2259089 is about 1503.0266132042. The cubic root of 2259089 is about 131.2132764983.

The spelling of 2259089 in words is "two million, two hundred fifty-nine thousand, eighty-nine".