2528128 has 16 divisors (see below), whose sum is σ = 5036760. Its totient is φ = 1264000.

The previous prime is 2528077. The next prime is 2528129. The reversal of 2528128 is 8218252.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 2528096 and 2528105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9748 + ... + 10003.

2^2528128 is an apocalyptic number.

It is an amenable number.

2528128 is a deficient number, since it is larger than the sum of its proper divisors (2508632).

2528128 is an equidigital number, since it uses as much as digits as its factorization.

2528128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19765 (or 19753 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 2528128 is about 1590.0088050071. The cubic root of 2528128 is about 136.2279912828.

Subtracting from 2528128 its sum of digits (28), we obtain a square (2528100 = 1590²).

The spelling of 2528128 in words is "two million, five hundred twenty-eight thousand, one hundred twenty-eight".