515052813 has 8 divisors (see below), whose sum is σ = 749167776. Its totient is φ = 312153200.

The previous prime is 515052803. The next prime is 515052841. The reversal of 515052813 is 318250515.

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

It is a cyclic number.

It is not a de Polignac number, because 515052813 - 2⁹ = 515052301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515052803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7803798 + ... + 7803863.

It is an arithmetic number, because the mean of its divisors is an integer number (93645972).

Almost surely, 2^515052813 is an apocalyptic number.

It is an amenable number.

515052813 is a deficient number, since it is larger than the sum of its proper divisors (234114963).

515052813 is a wasteful number, since it uses less digits than its factorization.

515052813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15607675.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 515052813 is about 22694.7750154083. The cubic root of 515052813 is about 801.5868570455.

The spelling of 515052813 in words is "five hundred fifteen million, fifty-two thousand, eight hundred thirteen".