516842530 has 8 divisors (see below), whose sum is σ = 930316572. Its totient is φ = 206737008.

The previous prime is 516842527. The next prime is 516842539. The reversal of 516842530 is 35248615.

It can be written as a sum of positive squares in 2 ways, for example, as 484044001 + 32798529 = 22001^2 + 5727^2 .

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

It is not an unprimeable number, because it can be changed into a prime (516842539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25842117 + ... + 25842136.

Almost surely, 2^516842530 is an apocalyptic number.

516842530 is a deficient number, since it is larger than the sum of its proper divisors (413474042).

516842530 is a wasteful number, since it uses less digits than its factorization.

516842530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51684260.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 516842530 is about 22734.1709767478. The cubic root of 516842530 is about 802.5142410040.

The spelling of 516842530 in words is "five hundred sixteen million, eight hundred forty-two thousand, five hundred thirty".