4528524 has 144 divisors (see below), whose sum is σ = 14757120. Its totient is φ = 1048320.

The previous prime is 4528523. The next prime is 4528529. The reversal of 4528524 is 4258254.

4528524 = 155² + 156² + ... + 258².

Its product of digits (12800) is a multiple of the sum of its prime factors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4528491 and 4528500.

It is not an unprimeable number, because it can be changed into a prime (4528523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156142 + ... + 156170.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

Almost surely, 2^4528524 is an apocalyptic number.

4528524 is a gapful number since it is divisible by the number (44) 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 4528524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7378560).

4528524 is an abundant number, since it is smaller than the sum of its proper divisors (10228596).

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

4528524 is a wasteful number, since it uses less digits than its factorization.

4528524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 65 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 4528524 is about 2128.0328944826. The cubic root of 4528524 is about 165.4444582595. Note that the first 4 decimals are identical.

The spelling of 4528524 in words is "four million, five hundred twenty-eight thousand, five hundred twenty-four".