513225012 has 24 divisors (see below), whose sum is σ = 1198943200. Its totient is φ = 170872416.

The previous prime is 513224989. The next prime is 513225047. The reversal of 513225012 is 210522315.

It is a self number, because there is not a number n which added to its sum of digits gives 513225012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14587 + ... + 35202.

Almost surely, 2^513225012 is an apocalyptic number.

It is an amenable number.

513225012 is an abundant number, since it is smaller than the sum of its proper divisors (685718188).

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

513225012 is a wasteful number, since it uses less digits than its factorization.

513225012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50655 (or 50653 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 513225012 is about 22654.4700224922. The cubic root of 513225012 is about 800.6375189104.

Adding to 513225012 its reverse (210522315), we get a palindrome (723747327).

The spelling of 513225012 in words is "five hundred thirteen million, two hundred twenty-five thousand, twelve".