513525615652 has 48 divisors (see below), whose sum is σ = 1093541420160. Its totient is φ = 205979162112.

The previous prime is 513525615613. The next prime is 513525615661. The reversal of 513525615652 is 256516525315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928303 + ... + 3098710.

It is an arithmetic number, because the mean of its divisors is an integer number (22782112920).

Almost surely, 2^513525615652 is an apocalyptic number.

It is an amenable number.

513525615652 is an abundant number, since it is smaller than the sum of its proper divisors (580015804508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513525615652 is a wasteful number, since it uses less digits than its factorization.

513525615652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027220 (or 6027218 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 46.

The spelling of 513525615652 in words is "five hundred thirteen billion, five hundred twenty-five million, six hundred fifteen thousand, six hundred fifty-two".