513525532532 has 12 divisors (see below), whose sum is σ = 898683598596. Its totient is φ = 256758790080.

The previous prime is 513525532519. The next prime is 513525532603. The reversal of 513525532532 is 235235525315.

It can be written as a sum of positive squares in 2 ways, for example, as 260389760656 + 253135771876 = 510284^2 + 503126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 513525532532.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 693353 + ... + 1227920.

It is an arithmetic number, because the mean of its divisors is an integer number (74890299883).

Almost surely, 2^513525532532 is an apocalyptic number.

It is an amenable number.

513525532532 is a deficient number, since it is larger than the sum of its proper divisors (385158066064).

513525532532 is a wasteful number, since it uses less digits than its factorization.

513525532532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988098 (or 1988096 counting only the distinct ones).

The product of its digits is 675000, while the sum is 41.

The spelling of 513525532532 in words is "five hundred thirteen billion, five hundred twenty-five million, five hundred thirty-two thousand, five hundred thirty-two".