513525615452 has 12 divisors (see below), whose sum is σ = 898692690336. Its totient is φ = 256756275360.

The previous prime is 513525615367. The next prime is 513525615457. The reversal of 513525615452 is 254516525315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513525615457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454033 + ... + 1772360.

It is an arithmetic number, because the mean of its divisors is an integer number (74891057528).

Almost surely, 2^513525615452 is an apocalyptic number.

It is an amenable number.

513525615452 is a deficient number, since it is larger than the sum of its proper divisors (385167074884).

513525615452 is a wasteful number, since it uses less digits than its factorization.

513525615452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266188 (or 3266186 counting only the distinct ones).

The product of its digits is 900000, while the sum is 44.

The spelling of 513525615452 in words is "five hundred thirteen billion, five hundred twenty-five million, six hundred fifteen thousand, four hundred fifty-two".