2648559 has 16 divisors (see below), whose sum is σ = 3687264. Its totient is φ = 1689600.

The previous prime is 2648557. The next prime is 2648563. The reversal of 2648559 is 9558462.

It is not a de Polignac number, because 2648559 - 2¹ = 2648557 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6³ + 4 + 8⁴ + 5² + 5⁶ + 9⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648557) 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 in 15 ways as a sum of consecutive naturals, for example, 7327 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (230454).

2^2648559 is an apocalyptic number.

2648559 is a deficient number, since it is larger than the sum of its proper divisors (1038705).

2648559 is a wasteful number, since it uses less digits than its factorization.

2648559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its digits is 86400, while the sum is 39.

The square root of 2648559 is about 1627.4393997934. The cubic root of 2648559 is about 138.3576628552.

Subtracting 2648559 from its reverse (9558462), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2648559 in words is "two million, six hundred forty-eight thousand, five hundred fifty-nine".