2680563 has 4 divisors (see below), whose sum is σ = 3574088. Its totient is φ = 1787040.

The previous prime is 2680553. The next prime is 2680567. The reversal of 2680563 is 3650862.

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

It is not a de Polignac number, because 2680563 - 2¹² = 2676467 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2680563.

It is not an unprimeable number, because it can be changed into a prime (2680567) 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 3 ways as a sum of consecutive naturals, for example, 446758 + ... + 446763.

It is an arithmetic number, because the mean of its divisors is an integer number (893522).

2^2680563 is an apocalyptic number.

2680563 is a deficient number, since it is larger than the sum of its proper divisors (893525).

2680563 is an equidigital number, since it uses as much as digits as its factorization.

2680563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893524.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2680563 is about 1637.2424988376. The cubic root of 2680563 is about 138.9127171443.

Subtracting 2680563 from its reverse (3650862), we obtain a cube (970299 = 99³).

The spelling of 2680563 in words is "two million, six hundred eighty thousand, five hundred sixty-three".