2559389 has 4 divisors (see below), whose sum is σ = 2925024. Its totient is φ = 2193756.

The previous prime is 2559383. The next prime is 2559397. The reversal of 2559389 is 9839552.

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 2559389 - 2¹⁶ = 2493853 is a prime.

It is a d-powerful number, because it can be written as 2² + 5⁶ + 5⁹ + 9² + 3¹² + 8² + 9⁵ .

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 (2559383) 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, 182807 + ... + 182820.

It is an arithmetic number, because the mean of its divisors is an integer number (731256).

2^2559389 is an apocalyptic number.

It is an amenable number.

2559389 is a deficient number, since it is larger than the sum of its proper divisors (365635).

2559389 is an equidigital number, since it uses as much as digits as its factorization.

2559389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365634.

The product of its digits is 97200, while the sum is 41.

The square root of 2559389 is about 1599.8090511058. The cubic root of 2559389 is about 136.7871915838.

The spelling of 2559389 in words is "two million, five hundred fifty-nine thousand, three hundred eighty-nine".