2523528 has 64 divisors (see below), whose sum is σ = 8016000. Its totient is φ = 720576.

The previous prime is 2523527. The next prime is 2523529. The reversal of 2523528 is 8253252.

It is an interprime number because it is at equal distance from previous prime (2523527) and next prime (2523529).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2523527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (125250).

2^2523528 is an apocalyptic number.

2523528 is a gapful number since it is divisible by the number (28) 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 2523528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4008000).

2523528 is an abundant number, since it is smaller than the sum of its proper divisors (5492472).

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

2523528 is a wasteful number, since it uses less digits than its factorization.

2523528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1681 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2523528 is about 1588.5616135360. The cubic root of 2523528 is about 136.1453175662.

The spelling of 2523528 in words is "two million, five hundred twenty-three thousand, five hundred twenty-eight".