513682068 has 24 divisors (see below), whose sum is σ = 1206533440. Its totient is φ = 170092800.

The previous prime is 513682051. The next prime is 513682079. The reversal of 513682068 is 860286315.

It is a happy number.

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, 139933 + ... + 143556.

Almost surely, 2^513682068 is an apocalyptic number.

It is an amenable number.

513682068 is an abundant number, since it is smaller than the sum of its proper divisors (692851372).

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

513682068 is a wasteful number, since it uses less digits than its factorization.

513682068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283647 (or 283645 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 513682068 is about 22664.5553232354. Note that the first 3 decimals coincide. The cubic root of 513682068 is about 800.8751194417.

The spelling of 513682068 in words is "five hundred thirteen million, six hundred eighty-two thousand, sixty-eight".