2052520 has 48 divisors (see below), whose sum is σ = 4877460. Its totient is φ = 777216.

The previous prime is 2052517. The next prime is 2052521. The reversal of 2052520 is 252502.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 19044 = 1426^2 + 138^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2052494 and 2052503.

It is not an unprimeable number, because it can be changed into a prime (2052521) 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 11 ways as a sum of consecutive naturals, for example, 21112 + ... + 21208.

2^2052520 is an apocalyptic number.

2052520 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 2052520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438730).

2052520 is an abundant number, since it is smaller than the sum of its proper divisors (2824940).

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

2052520 is a wasteful number, since it uses less digits than its factorization.

2052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2052520 is about 1432.6618582206. The cubic root of 2052520 is about 127.0854406769.

The spelling of 2052520 in words is "two million, fifty-two thousand, five hundred twenty".