2575520 has 24 divisors (see below), whose sum is σ = 6085044. Its totient is φ = 1030144.

The previous prime is 2575499. The next prime is 2575523. The reversal of 2575520 is 255752.

It can be written as a sum of positive squares in 2 ways, for example, as 2572816 + 2704 = 1604^2 + 52^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2575520.

It is not an unprimeable number, because it can be changed into a prime (2575523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7889 + ... + 8208.

2^2575520 is an apocalyptic number.

2575520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575520 is an abundant number, since it is smaller than the sum of its proper divisors (3509524).

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

2575520 is a wasteful number, since it uses less digits than its factorization.

2575520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112 (or 16104 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 2575520 is about 1604.8426714167. The cubic root of 2575520 is about 137.0739650680.

The spelling of 2575520 in words is "two million, five hundred seventy-five thousand, five hundred twenty".