2589623 has 2 divisors, whose sum is σ = 2589624. Its totient is φ = 2589622.

The previous prime is 2589619. The next prime is 2589641. The reversal of 2589623 is 3269852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2589623 - 2² = 2589619 is a prime.

It is a super-2 number, since 2×2589623² = 13412294564258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁹ + 8⁵ + 9 + 6⁶ + 2¹⁹ + 3² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2585623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294811 + 1294812.

It is an arithmetic number, because the mean of its divisors is an integer number (1294812).

2^2589623 is an apocalyptic number.

2589623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2589623 is an equidigital number, since it uses as much as digits as its factorization.

2589623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 2589623 is about 1609.2305614796. The cubic root of 2589623 is about 137.3237057431.

The spelling of 2589623 in words is "two million, five hundred eighty-nine thousand, six hundred twenty-three".