516884947 has 2 divisors, whose sum is σ = 516884948. Its totient is φ = 516884946.

The previous prime is 516884933. The next prime is 516884989. The reversal of 516884947 is 749488615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516884947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516884894 and 516884903.

It is not a weakly prime, because it can be changed into another prime (516884747) 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, 258442473 + 258442474.

It is an arithmetic number, because the mean of its divisors is an integer number (258442474).

Almost surely, 2^516884947 is an apocalyptic number.

516884947 is a deficient number, since it is larger than the sum of its proper divisors (1).

516884947 is an equidigital number, since it uses as much as digits as its factorization.

516884947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 516884947 is about 22735.1038484543. The cubic root of 516884947 is about 802.5361943801.

It can be divided in two parts, 5168849 and 47, that multiplied together give a triangular number (242935903 = T₂₂₀₄₂).

The spelling of 516884947 in words is "five hundred sixteen million, eight hundred eighty-four thousand, nine hundred forty-seven".