2056500 has 72 divisors (see below), whose sum is σ = 6501768. Its totient is φ = 547200.

The previous prime is 2056489. The next prime is 2056501. The reversal of 2056500 is 56502.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 2056356 = 12^2 + 1434^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056501) 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 23 ways as a sum of consecutive naturals, for example, 4272 + ... + 4728.

2^2056500 is an apocalyptic number.

2056500 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 2056500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250884).

2056500 is an abundant number, since it is smaller than the sum of its proper divisors (4445268).

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

2056500 is a wasteful number, since it uses less digits than its factorization.

2056500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 467 counting only the distinct ones).

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

The square root of 2056500 is about 1434.0502083261. The cubic root of 2056500 is about 127.1675305756.

It can be divided in two parts, 2056 and 500, that added together give a triangular number (2556 = T₇₁).

The spelling of 2056500 in words is "two million, fifty-six thousand, five hundred".