2580542 has 16 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 1200600.

The previous prime is 2580541. The next prime is 2580547. The reversal of 2580542 is 2450852.

2580542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580541) 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, 1667 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

2^2580542 is an apocalyptic number.

2580542 is a deficient number, since it is larger than the sum of its proper divisors (1566658).

2580542 is a wasteful number, since it uses less digits than its factorization.

2580542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2580542 is about 1606.4065487914. The cubic root of 2580542 is about 137.1630006168.

The spelling of 2580542 in words is "two million, five hundred eighty thousand, five hundred forty-two".