2580920 has 32 divisors (see below), whose sum is σ = 5868720. Its totient is φ = 1021440.

The previous prime is 2580917. The next prime is 2580931. The reversal of 2580920 is 290852.

2580920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2580920² = 13322296092800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2580920.

It is a congruent number.

It is an unprimeable number.

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, 4235 + ... + 4805.

2^2580920 is an apocalyptic number.

2580920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2580920 is an abundant number, since it is smaller than the sum of its proper divisors (3287800).

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

2580920 is a wasteful number, since it uses less digits than its factorization.

2580920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2580920 is about 1606.5241983861. The cubic root of 2580920 is about 137.1696975410.

The spelling of 2580920 in words is "two million, five hundred eighty thousand, nine hundred twenty".