2580842 has 16 divisors (see below), whose sum is σ = 4283712. Its totient is φ = 1156320.

The previous prime is 2580841. The next prime is 2580847. The reversal of 2580842 is 2480852.

2580842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2580841) 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 in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (267732).

2^2580842 is an apocalyptic number.

2580842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a pronic number, being equal to 1606×1607.

2580842 is a deficient number, since it is larger than the sum of its proper divisors (1702870).

2580842 is a wasteful number, since it uses less digits than its factorization.

2580842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2580842 is about 1606.4999221911. The cubic root of 2580842 is about 137.1683156895.

The spelling of 2580842 in words is "two million, five hundred eighty thousand, eight hundred forty-two".