513543012 has 12 divisors (see below), whose sum is σ = 1198267056. Its totient is φ = 171181000.

The previous prime is 513542989. The next prime is 513543029. The reversal of 513543012 is 210345315.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21397614 + ... + 21397637.

It is an arithmetic number, because the mean of its divisors is an integer number (99855588).

Almost surely, 2^513543012 is an apocalyptic number.

It is an amenable number.

513543012 is an abundant number, since it is smaller than the sum of its proper divisors (684724044).

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

513543012 is a wasteful number, since it uses less digits than its factorization.

513543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42795258 (or 42795256 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 513543012 is about 22661.4874180845. The cubic root of 513543012 is about 800.8028461115.

Adding to 513543012 its reverse (210345315), we get a palindrome (723888327).

The spelling of 513543012 in words is "five hundred thirteen million, five hundred forty-three thousand, twelve".