2585020 has 24 divisors (see below), whose sum is σ = 5748624. Its totient is φ = 973056.

The previous prime is 2584999. The next prime is 2585029. The reversal of 2585020 is 205852.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2584982 and 2585000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585029) 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 7 ways as a sum of consecutive naturals, for example, 3462 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (239526).

2^2585020 is an apocalyptic number.

2585020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2585020 is an abundant number, since it is smaller than the sum of its proper divisors (3163604).

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

2585020 is a wasteful number, since it uses less digits than its factorization.

2585020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629 (or 7627 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2585020 is about 1607.7997387735. The cubic root of 2585020 is about 137.2422941627.

The spelling of 2585020 in words is "two million, five hundred eighty-five thousand, twenty".