525305528 has 48 divisors (see below), whose sum is σ = 1091408640. Its totient is φ = 236839680.

The previous prime is 525305513. The next prime is 525305563. The reversal of 525305528 is 825503525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120800 + ... + 125072.

It is an arithmetic number, because the mean of its divisors is an integer number (22737680).

Almost surely, 2^525305528 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 525305528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545704320).

525305528 is an abundant number, since it is smaller than the sum of its proper divisors (566103112).

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

525305528 is a wasteful number, since it uses less digits than its factorization.

525305528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 4413 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 525305528 is about 22919.5446726151. The cubic root of 525305528 is about 806.8707839752.

The spelling of 525305528 in words is "five hundred twenty-five million, three hundred five thousand, five hundred twenty-eight".