2522500 has 30 divisors (see below), whose sum is σ = 5521670. Its totient is φ = 1008000.

The previous prime is 2522491. The next prime is 2522503. The reversal of 2522500 is 52252.

2522500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 1236544 + 1285956 = 1112^2 + 1134^2 .

It is not an unprimeable number, because it can be changed into a prime (2522503) 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 9 ways as a sum of consecutive naturals, for example, 1996 + ... + 3004.

2^2522500 is an apocalyptic number.

2522500 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 2522500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760835).

2522500 is an abundant number, since it is smaller than the sum of its proper divisors (2999170).

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

2522500 is a wasteful number, since it uses less digits than its factorization.

2522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1016 counting only the distinct ones).

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

The square root of 2522500 is about 1588.2380174269. The cubic root of 2522500 is about 136.1268280553.

Adding to 2522500 its reverse (52252), we get a palindrome (2574752).

It can be divided in two parts, 25 and 22500, that multiplied together give a square (562500 = 750²).

The spelling of 2522500 in words is "two million, five hundred twenty-two thousand, five hundred".