525486528 has 196 divisors, whose sum is σ = 1787885680. Its totient is φ = 150045696.

The previous prime is 525486491. The next prime is 525486547. The reversal of 525486528 is 825684525.

It is a happy number.

525486528 is a `hidden beast` number, since 52 + 548 + 6 + 52 + 8 = 666.

It is a super-2 number, since 2×525486528² = 552272182218989568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 325788 + ... + 327396.

Almost surely, 2^525486528 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 525486528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893942840).

525486528 is an abundant number, since it is smaller than the sum of its proper divisors (1262399152).

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

525486528 is an equidigital number, since it uses as much as digits as its factorization.

525486528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1621 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 525486528 is about 22923.4929275623. The cubic root of 525486528 is about 806.9634455050.

The spelling of 525486528 in words is "five hundred twenty-five million, four hundred eighty-six thousand, five hundred twenty-eight".