2725528 has 32 divisors (see below), whose sum is σ = 5594400. Its totient is φ = 1237248.

The previous prime is 2725519. The next prime is 2725529. The reversal of 2725528 is 8255272.

It is a self number, because there is not a number n which added to its sum of digits gives 2725528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (174825).

2^2725528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797200).

2725528 is an abundant number, since it is smaller than the sum of its proper divisors (2868872).

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

2725528 is a wasteful number, since it uses less digits than its factorization.

2725528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 447 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 2725528 is about 1650.9173207644. The cubic root of 2725528 is about 139.6851427633.

The spelling of 2725528 in words is "two million, seven hundred twenty-five thousand, five hundred twenty-eight".