2558389 has 4 divisors (see below), whose sum is σ = 2563660. Its totient is φ = 2553120.

The previous prime is 2558377. The next prime is 2558411. The reversal of 2558389 is 9838552.

2558389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 2146225 = 642^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558389 - 2¹⁷ = 2427317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558189) 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, 1824 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (640915).

2^2558389 is an apocalyptic number.

It is an amenable number.

2558389 is a deficient number, since it is larger than the sum of its proper divisors (5271).

2558389 is an equidigital number, since it uses as much as digits as its factorization.

2558389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270.

The product of its digits is 86400, while the sum is 40.

The square root of 2558389 is about 1599.4964832722. The cubic root of 2558389 is about 136.7693741788.

The spelling of 2558389 in words is "two million, five hundred fifty-eight thousand, three hundred eighty-nine".