516989087 has 2 divisors, whose sum is σ = 516989088. Its totient is φ = 516989086.

The previous prime is 516989063. The next prime is 516989111. The reversal of 516989087 is 780989615.

It is a balanced prime because it is at equal distance from previous prime (516989063) and next prime (516989111).

It is a cyclic number.

It is not a de Polignac number, because 516989087 - 2¹⁰ = 516988063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516989287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258494543 + 258494544.

It is an arithmetic number, because the mean of its divisors is an integer number (258494544).

Almost surely, 2^516989087 is an apocalyptic number.

516989087 is a deficient number, since it is larger than the sum of its proper divisors (1).

516989087 is an equidigital number, since it uses as much as digits as its factorization.

516989087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 516989087 is about 22737.3940239421. The cubic root of 516989087 is about 802.5900880674.

The spelling of 516989087 in words is "five hundred sixteen million, nine hundred eighty-nine thousand, eighty-seven".