513081682 has 8 divisors (see below), whose sum is σ = 794449152. Its totient is φ = 248265300.

The previous prime is 513081661. The next prime is 513081697. The reversal of 513081682 is 286180315.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4137694 + ... + 4137817.

It is an arithmetic number, because the mean of its divisors is an integer number (99306144).

Almost surely, 2^513081682 is an apocalyptic number.

513081682 is a deficient number, since it is larger than the sum of its proper divisors (281367470).

513081682 is a wasteful number, since it uses less digits than its factorization.

513081682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275544.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 513081682 is about 22651.3064082406. The cubic root of 513081682 is about 800.5629797660.

The spelling of 513081682 in words is "five hundred thirteen million, eighty-one thousand, six hundred eighty-two".