5281528 has 32 divisors (see below), whose sum is σ = 11628000. Its totient is φ = 2201472.

The previous prime is 5281511. The next prime is 5281547. The reversal of 5281528 is 8251825.

It is a self number, because there is not a number n which added to its sum of digits gives 5281528.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 798 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (363375).

Almost surely, 2^5281528 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 5281528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5814000).

5281528 is an abundant number, since it is smaller than the sum of its proper divisors (6346472).

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

5281528 is a wasteful number, since it uses less digits than its factorization.

5281528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 2595 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 5281528 is about 2298.1575228865. The cubic root of 5281528 is about 174.1485497614.

The spelling of 5281528 in words is "five million, two hundred eighty-one thousand, five hundred twenty-eight".