513055730 has 48 divisors (see below), whose sum is σ = 1021567680. Its totient is φ = 185375520.

The previous prime is 513055729. The next prime is 513055771. The reversal of 513055730 is 37550315.

It is a junction number, because it is equal to n+sod(n) for n = 513055693 and 513055702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200801 + ... + 203339.

It is an arithmetic number, because the mean of its divisors is an integer number (21282660).

Almost surely, 2^513055730 is an apocalyptic number.

513055730 is a deficient number, since it is larger than the sum of its proper divisors (508511950).

513055730 is a wasteful number, since it uses less digits than its factorization.

513055730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 513055730 is about 22650.7335422056. The cubic root of 513055730 is about 800.5494818757.

The spelling of 513055730 in words is "five hundred thirteen million, fifty-five thousand, seven hundred thirty".