2580544 has 28 divisors (see below), whose sum is σ = 5212588. Its totient is φ = 1267200.

The previous prime is 2580541. The next prime is 2580547. The reversal of 2580544 is 4450852.

It is an interprime number because it is at equal distance from previous prime (2580541) and next prime (2580547).

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 1658944 = 960^2 + 1288^2 .

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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574 + ... + 4234.

2^2580544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2580544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606294).

2580544 is an abundant number, since it is smaller than the sum of its proper divisors (2632044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2580544 is an equidigital number, since it uses as much as digits as its factorization.

2580544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2580544 is about 1606.4071712987. The cubic root of 2580544 is about 137.1630360519.

The spelling of 2580544 in words is "two million, five hundred eighty thousand, five hundred forty-four".