513830 has 8 divisors (see below), whose sum is σ = 924912. Its totient is φ = 205528.

The previous prime is 513829. The next prime is 513839. The reversal of 513830 is 38315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25682 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (115614).

2⁵¹³⁸³⁰ is an apocalyptic number.

513830 is a deficient number, since it is larger than the sum of its proper divisors (411082).

513830 is a wasteful number, since it uses less digits than its factorization.

513830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51390.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 513830 is about 716.8193635777. The cubic root of 513830 is about 80.0951991690.

The spelling of 513830 in words is "five hundred thirteen thousand, eight hundred thirty".