525506535 has 80 divisors (see below), whose sum is σ = 986372640. Its totient is φ = 267321600.

The previous prime is 525506491. The next prime is 525506537. The reversal of 525506535 is 535605525.

525506535 is a `hidden beast` number, since 52 + 550 + 6 + 53 + 5 = 666.

It is not a de Polignac number, because 525506535 - 2⁷ = 525506407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525506535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525506537) 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 79 ways as a sum of consecutive naturals, for example, 1186024 + ... + 1186466.

It is an arithmetic number, because the mean of its divisors is an integer number (12329658).

Almost surely, 2^525506535 is an apocalyptic number.

525506535 is a deficient number, since it is larger than the sum of its proper divisors (460866105).

525506535 is a wasteful number, since it uses less digits than its factorization.

525506535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The square root of 525506535 is about 22923.9293097846. The cubic root of 525506535 is about 806.9736866256.

The spelling of 525506535 in words is "five hundred twenty-five million, five hundred six thousand, five hundred thirty-five".