2528526 has 64 divisors (see below), whose sum is σ = 6806016. Its totient is φ = 604800.

The previous prime is 2528503. The next prime is 2528527. The reversal of 2528526 is 6258252.

It is a d-powerful number, because it can be written as 2⁴ + 5³ + 2¹⁵ + 8² + 5⁸ + 2²¹ + 6⁵ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2528493 and 2528502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5796 + ... + 6216.

It is an arithmetic number, because the mean of its divisors is an integer number (106344).

2^2528526 is an apocalyptic number.

2528526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403008).

2528526 is an abundant number, since it is smaller than the sum of its proper divisors (4277490).

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

2528526 is a wasteful number, since it uses less digits than its factorization.

2528526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 9600, while the sum is 30.

The square root of 2528526 is about 1590.1339566213. The cubic root of 2528526 is about 136.2351396412.

It can be divided in two parts, 252 and 8526, that added together give a palindrome (8778).

The spelling of 2528526 in words is "two million, five hundred twenty-eight thousand, five hundred twenty-six".