515239996 has 6 divisors (see below), whose sum is σ = 901670000. Its totient is φ = 257619996.

The previous prime is 515239993. The next prime is 515240009. The reversal of 515239996 is 699932515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515239993) by changing a digit.

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 as a sum of consecutive naturals, namely, 64404996 + ... + 64405003.

Almost surely, 2^515239996 is an apocalyptic number.

It is an amenable number.

515239996 is a deficient number, since it is larger than the sum of its proper divisors (386430004).

515239996 is a wasteful number, since it uses less digits than its factorization.

515239996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128810003 (or 128810001 counting only the distinct ones).

The product of its digits is 656100, while the sum is 49.

The square root of 515239996 is about 22698.8985635867. The cubic root of 515239996 is about 801.6839508167.

The spelling of 515239996 in words is "five hundred fifteen million, two hundred thirty-nine thousand, nine hundred ninety-six".