516934489 has 2 divisors, whose sum is σ = 516934490. Its totient is φ = 516934488.

The previous prime is 516934477. The next prime is 516934507. The reversal of 516934489 is 984439615.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368947264 + 147987225 = 19208^2 + 12165^2 .

It is a cyclic number.

It is not a de Polignac number, because 516934489 - 2¹¹ = 516932441 is a prime.

It is a super-2 number, since 2×516934489² = 534442531835382242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516934409) 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, 258467244 + 258467245.

It is an arithmetic number, because the mean of its divisors is an integer number (258467245).

Almost surely, 2^516934489 is an apocalyptic number.

It is an amenable number.

516934489 is a deficient number, since it is larger than the sum of its proper divisors (1).

516934489 is an equidigital number, since it uses as much as digits as its factorization.

516934489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 516934489 is about 22736.1933709229. The cubic root of 516934489 is about 802.5618338564.

The spelling of 516934489 in words is "five hundred sixteen million, nine hundred thirty-four thousand, four hundred eighty-nine".