513249230 has 16 divisors (see below), whose sum is σ = 994914144. Its totient is φ = 189507360.

The previous prime is 513249197. The next prime is 513249239. The reversal of 513249230 is 32942315.

It is a junction number, because it is equal to n+sod(n) for n = 513249193 and 513249202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513249239) 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, 1973906 + ... + 1974165.

It is an arithmetic number, because the mean of its divisors is an integer number (62182134).

Almost surely, 2^513249230 is an apocalyptic number.

513249230 is a deficient number, since it is larger than the sum of its proper divisors (481664914).

513249230 is a wasteful number, since it uses less digits than its factorization.

513249230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948091.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 513249230 is about 22655.0045243871. The cubic root of 513249230 is about 800.6501121746.

The spelling of 513249230 in words is "five hundred thirteen million, two hundred forty-nine thousand, two hundred thirty".