2558289 has 4 divisors (see below), whose sum is σ = 3411056. Its totient is φ = 1705524.

The previous prime is 2558287. The next prime is 2558317. The reversal of 2558289 is 9828552.

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 not a de Polignac number, because 2558289 - 2¹ = 2558287 is a prime.

It is a D-number.

It is a Duffinian number.

2558289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2558287) 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, 426379 + ... + 426384.

It is an arithmetic number, because the mean of its divisors is an integer number (852764).

2^2558289 is an apocalyptic number.

It is an amenable number.

2558289 is a deficient number, since it is larger than the sum of its proper divisors (852767).

2558289 is an equidigital number, since it uses as much as digits as its factorization.

2558289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852766.

The product of its digits is 57600, while the sum is 39.

The square root of 2558289 is about 1599.4652231293. The cubic root of 2558289 is about 136.7675921830.

The spelling of 2558289 in words is "two million, five hundred fifty-eight thousand, two hundred eighty-nine".