525913563 has 16 divisors (see below), whose sum is σ = 801835520. Its totient is φ = 300355776.

The previous prime is 525913489. The next prime is 525913603. The reversal of 525913563 is 365319525.

It is not a de Polignac number, because 525913563 - 2⁹ = 525913051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525915563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39018 + ... + 50736.

It is an arithmetic number, because the mean of its divisors is an integer number (50114720).

Almost surely, 2^525913563 is an apocalyptic number.

525913563 is a deficient number, since it is larger than the sum of its proper divisors (275921957).

525913563 is a wasteful number, since it uses less digits than its factorization.

525913563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866.

The product of its digits is 121500, while the sum is 39.

The square root of 525913563 is about 22932.8053887875. The cubic root of 525913563 is about 807.1819784341.

The spelling of 525913563 in words is "five hundred twenty-five million, nine hundred thirteen thousand, five hundred sixty-three".