513210830 has 16 divisors (see below), whose sum is σ = 1007759664. Its totient is φ = 186622080.

The previous prime is 513210811. The next prime is 513210833. The reversal of 513210830 is 38012315.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513210796 and 513210805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513210833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2332667 + ... + 2332886.

It is an arithmetic number, because the mean of its divisors is an integer number (62984979).

Almost surely, 2^513210830 is an apocalyptic number.

513210830 is a deficient number, since it is larger than the sum of its proper divisors (494548834).

513210830 is a wasteful number, since it uses less digits than its factorization.

513210830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665571.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 513210830 is about 22654.1570136697. The cubic root of 513210830 is about 800.6301441426.

The spelling of 513210830 in words is "five hundred thirteen million, two hundred ten thousand, eight hundred thirty".