525559563 has 16 divisors (see below), whose sum is σ = 779673600. Its totient is φ = 349893000.

The previous prime is 525559543. The next prime is 525559609. The reversal of 525559563 is 365955525.

525559563 is a `hidden beast` number, since 5 + 2 + 55 + 595 + 6 + 3 = 666.

It is not a de Polignac number, because 525559563 - 2⁹ = 525559051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525559543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7318 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (48729600).

Almost surely, 2^525559563 is an apocalyptic number.

525559563 is a deficient number, since it is larger than the sum of its proper divisors (254114037).

525559563 is a wasteful number, since it uses less digits than its factorization.

525559563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26679 (or 26673 counting only the distinct ones).

The product of its digits is 1012500, while the sum is 45.

The square root of 525559563 is about 22925.0858886068. The cubic root of 525559563 is about 807.0008291751. Note that the first 3 decimals are identical.

The spelling of 525559563 in words is "five hundred twenty-five million, five hundred fifty-nine thousand, five hundred sixty-three".