513851382 has 48 divisors (see below), whose sum is σ = 1216959120. Its totient is φ = 155404800.

The previous prime is 513851363. The next prime is 513851399. The reversal of 513851382 is 283158315.

513851382 is a `hidden beast` number, since 5 + 138 + 513 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110382 + ... + 114942.

It is an arithmetic number, because the mean of its divisors is an integer number (25353315).

Almost surely, 2^513851382 is an apocalyptic number.

513851382 is an abundant number, since it is smaller than the sum of its proper divisors (703107738).

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

513851382 is a wasteful number, since it uses less digits than its factorization.

513851382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149 (or 5146 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 513851382 is about 22668.2902310695. The cubic root of 513851382 is about 800.9631015373.

The spelling of 513851382 in words is "five hundred thirteen million, eight hundred fifty-one thousand, three hundred eighty-two".