513585372 has 12 divisors (see below), whose sum is σ = 1198365896. Its totient is φ = 171195120.

The previous prime is 513585361. The next prime is 513585431. The reversal of 513585372 is 273585315.

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

It is a self number, because there is not a number n which added to its sum of digits gives 513585372.

It is a congruent number.

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, 21399379 + ... + 21399402.

Almost surely, 2^513585372 is an apocalyptic number.

It is an amenable number.

513585372 is an abundant number, since it is smaller than the sum of its proper divisors (684780524).

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

513585372 is a wasteful number, since it uses less digits than its factorization.

513585372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42798788 (or 42798786 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 513585372 is about 22662.4220241350. The cubic root of 513585372 is about 800.8248637907.

The spelling of 513585372 in words is "five hundred thirteen million, five hundred eighty-five thousand, three hundred seventy-two".