5280528 has 80 divisors (see below), whose sum is σ = 15195456. Its totient is φ = 1566720.

The previous prime is 5280521. The next prime is 5280553. The reversal of 5280528 is 8250825.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5280495 and 5280504.

It is not an unprimeable number, because it can be changed into a prime (5280521) 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, 38476 + ... + 38612.

Almost surely, 2^5280528 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 5280528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7597728).

5280528 is an abundant number, since it is smaller than the sum of its proper divisors (9914928).

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

5280528 is a wasteful number, since it uses less digits than its factorization.

5280528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 5280528 is about 2297.9399469960. The cubic root of 5280528 is about 174.1375580218.

Multiplying 5280528 by its reverse (8250825), we get a square (43568712435600 = 6600660²).

The spelling of 5280528 in words is "five million, two hundred eighty thousand, five hundred twenty-eight".