2624989 has 2 divisors, whose sum is σ = 2624990. Its totient is φ = 2624988.

The previous prime is 2624981. The next prime is 2625001. The reversal of 2624989 is 9894262.

2624989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 284089 = 1530^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2624989 - 2³ = 2624981 is a prime.

2624989 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2624981) 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 as a sum of consecutive naturals, namely, 1312494 + 1312495.

It is an arithmetic number, because the mean of its divisors is an integer number (1312495).

2^2624989 is an apocalyptic number.

It is an amenable number.

2624989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2624989 is an equidigital number, since it uses as much as digits as its factorization.

2624989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 2624989 is about 1620.1817799247. The cubic root of 2624989 is about 137.9460161320.

The spelling of 2624989 in words is "two million, six hundred twenty-four thousand, nine hundred eighty-nine".