515230130 has 24 divisors (see below), whose sum is σ = 969499692. Its totient is φ = 197129504.

The previous prime is 515230129. The next prime is 515230151. The reversal of 515230130 is 31032515.

It can be written as a sum of positive squares in 2 ways, for example, as 486511249 + 28718881 = 22057^2 + 5359^2 .

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 11 ways as a sum of consecutive naturals, for example, 43409 + ... + 53988.

Almost surely, 2^515230130 is an apocalyptic number.

515230130 is a deficient number, since it is larger than the sum of its proper divisors (454269562).

515230130 is a wasteful number, since it uses less digits than its factorization.

515230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97450 (or 97427 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 515230130 is about 22698.6812392262. The cubic root of 515230130 is about 801.6788338069.

Adding to 515230130 its reverse (31032515), we get a palindrome (546262645).

The spelling of 515230130 in words is "five hundred fifteen million, two hundred thirty thousand, one hundred thirty".