516547663 has 2 divisors, whose sum is σ = 516547664. Its totient is φ = 516547662.

The previous prime is 516547657. The next prime is 516547667. The reversal of 516547663 is 366745615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516547663 - 2⁵ = 516547631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516547667) 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, 258273831 + 258273832.

It is an arithmetic number, because the mean of its divisors is an integer number (258273832).

Almost surely, 2^516547663 is an apocalyptic number.

516547663 is a deficient number, since it is larger than the sum of its proper divisors (1).

516547663 is an equidigital number, since it uses as much as digits as its factorization.

516547663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 516547663 is about 22727.6849458980. The cubic root of 516547663 is about 802.3615961985.

The spelling of 516547663 in words is "five hundred sixteen million, five hundred forty-seven thousand, six hundred sixty-three".