525869568 has 360 divisors, whose sum is σ = 1882978812. Its totient is φ = 140378112.

The previous prime is 525869563. The next prime is 525869579. The reversal of 525869568 is 865968525.

525869568 is a `hidden beast` number, since 5 + 2 + 586 + 9 + 56 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 506790144 + 19079424 = 22512^2 + 4368^2 .

Its product of digits (5184000) is a multiple of the sum of its prime factors (192).

It is not an unprimeable number, because it can be changed into a prime (525869563) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3838396 + ... + 3838532.

Almost surely, 2^525869568 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 525869568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941489406).

525869568 is an abundant number, since it is smaller than the sum of its proper divisors (1357109244).

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

525869568 is a wasteful number, since it uses less digits than its factorization.

525869568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 166 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The square root of 525869568 is about 22931.8461533301. The cubic root of 525869568 is about 807.1594696900.

The spelling of 525869568 in words is "five hundred twenty-five million, eight hundred sixty-nine thousand, five hundred sixty-eight".