525541532013 has 12 divisors (see below), whose sum is σ = 766485601440. Its totient is φ = 346959457416.

The previous prime is 525541532003. The next prime is 525541532041. The reversal of 525541532013 is 310235145525.

525541532013 is a `hidden beast` number, since 52 + 5 + 541 + 53 + 2 + 0 + 13 = 666.

It is not a de Polignac number, because 525541532013 - 2²⁰ = 525540483437 is a prime.

It is a super-2 number, since 2×525541532013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525541532003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283462683 + ... + 283464536.

It is an arithmetic number, because the mean of its divisors is an integer number (63873800120).

Almost surely, 2^525541532013 is an apocalyptic number.

It is an amenable number.

525541532013 is a deficient number, since it is larger than the sum of its proper divisors (240944069427).

525541532013 is a wasteful number, since it uses less digits than its factorization.

525541532013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566927328 (or 566927325 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 525541532013 its reverse (310235145525), we get a palindrome (835776677538).

The spelling of 525541532013 in words is "five hundred twenty-five billion, five hundred forty-one million, five hundred thirty-two thousand, thirteen".