2560500 has 72 divisors (see below), whose sum is σ = 8091720. Its totient is φ = 681600.

The previous prime is 2560499. The next prime is 2560517. The reversal of 2560500 is 50652.

2560500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 381924 + 2178576 = 618^2 + 1476^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 4216 + ... + 4784.

It is an arithmetic number, because the mean of its divisors is an integer number (112385).

2^2560500 is an apocalyptic number.

2560500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2560500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4045860).

2560500 is an abundant number, since it is smaller than the sum of its proper divisors (5531220).

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

2560500 is a wasteful number, since it uses less digits than its factorization.

2560500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2560500 is about 1600.1562423714. The cubic root of 2560500 is about 136.8069812791.

The spelling of 2560500 in words is "two million, five hundred sixty thousand, five hundred".