513523132 has 24 divisors (see below), whose sum is σ = 914753952. Its totient is φ = 252177600.

The previous prime is 513523123. The next prime is 513523133. The reversal of 513523132 is 231325315.

It is a junction number, because it is equal to n+sod(n) for n = 513523097 and 513523106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513523133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238782 + ... + 240922.

It is an arithmetic number, because the mean of its divisors is an integer number (38114748).

Almost surely, 2^513523132 is an apocalyptic number.

It is an amenable number.

513523132 is a deficient number, since it is larger than the sum of its proper divisors (401230820).

513523132 is a wasteful number, since it uses less digits than its factorization.

513523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3187 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 513523132 is about 22661.0487842024. The cubic root of 513523132 is about 800.7925125622.

Adding to 513523132 its reverse (231325315), we get a palindrome (744848447).

The spelling of 513523132 in words is "five hundred thirteen million, five hundred twenty-three thousand, one hundred thirty-two".