2528500 has 48 divisors (see below), whose sum is σ = 5962320. Its totient is φ = 931200.

The previous prime is 2528497. The next prime is 2528503. The reversal of 2528500 is 58252.

2528500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2528497) and next prime (2528503).

It can be written as a sum of positive squares in 8 ways, for example, as 1648656 + 879844 = 1284^2 + 938^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528503) 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 15 ways as a sum of consecutive naturals, for example, 6306 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (124215).

2^2528500 is an apocalyptic number.

2528500 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 2528500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981160).

2528500 is an abundant number, since it is smaller than the sum of its proper divisors (3433820).

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

2528500 is a wasteful number, since it uses less digits than its factorization.

2528500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2528500 is about 1590.1257811884. The cubic root of 2528500 is about 136.2346726860.

The spelling of 2528500 in words is "two million, five hundred twenty-eight thousand, five hundred".