515032130 has 8 divisors (see below), whose sum is σ = 927057852. Its totient is φ = 206012848.

The previous prime is 515032127. The next prime is 515032163. The reversal of 515032130 is 31230515.

It can be written as a sum of positive squares in 2 ways, for example, as 414651769 + 100380361 = 20363^2 + 10019^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25751597 + ... + 25751616.

Almost surely, 2^515032130 is an apocalyptic number.

515032130 is a deficient number, since it is larger than the sum of its proper divisors (412025722).

515032130 is a wasteful number, since it uses less digits than its factorization.

515032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51503220.

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

The square root of 515032130 is about 22694.3193332605. The cubic root of 515032130 is about 801.5761271149.

Adding to 515032130 its reverse (31230515), we get a palindrome (546262645).

The spelling of 515032130 in words is "five hundred fifteen million, thirty-two thousand, one hundred thirty".