513830185 has 16 divisors (see below), whose sum is σ = 712219392. Its totient is φ = 351712000.

The previous prime is 513830173. The next prime is 513830209. The reversal of 513830185 is 581038315.

It is not a de Polignac number, because 513830185 - 2⁵ = 513830153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513830185.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273841 + ... + 275710.

It is an arithmetic number, because the mean of its divisors is an integer number (44513712).

Almost surely, 2^513830185 is an apocalyptic number.

513830185 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513830185 is a deficient number, since it is larger than the sum of its proper divisors (198389207).

513830185 is a wasteful number, since it uses less digits than its factorization.

513830185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549584.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 513830185 is about 22667.8226788547. The cubic root of 513830185 is about 800.9520878157.

The spelling of 513830185 in words is "five hundred thirteen million, eight hundred thirty thousand, one hundred eighty-five".