516747236 has 6 divisors (see below), whose sum is σ = 904307670. Its totient is φ = 258373616.

The previous prime is 516747223. The next prime is 516747239. The reversal of 516747236 is 632747615.

It can be written as a sum of positive squares in only one way, i.e., 477684736 + 39062500 = 21856^2 + 6250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 516747193 and 516747202.

It is not an unprimeable number, because it can be changed into a prime (516747239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64593401 + ... + 64593408.

It is an arithmetic number, because the mean of its divisors is an integer number (150717945).

Almost surely, 2^516747236 is an apocalyptic number.

It is an amenable number.

516747236 is a deficient number, since it is larger than the sum of its proper divisors (387560434).

516747236 is a wasteful number, since it uses less digits than its factorization.

516747236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129186813 (or 129186811 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 516747236 is about 22732.0750482661. The cubic root of 516747236 is about 802.4649161851.

The spelling of 516747236 in words is "five hundred sixteen million, seven hundred forty-seven thousand, two hundred thirty-six".