516789289 has 9 divisors (see below), whose sum is σ = 523816797. Its totient is φ = 509855724.

The previous prime is 516789281. The next prime is 516789293. The reversal of 516789289 is 982987615.

The square root of 516789289 is 22733.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 516789289 - 2³ = 516789281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516789281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2887002 + ... + 2887180.

Almost surely, 2^516789289 is an apocalyptic number.

516789289 is the 22733-rd square number.

516789289 is the 11367-th centered octagonal number.

It is an amenable number.

516789289 is a deficient number, since it is larger than the sum of its proper divisors (7027508).

516789289 is an frugal number, since it uses more digits than its factorization.

516789289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 306 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 55.

The cubic root of 516789289 is about 802.4866838498.

The spelling of 516789289 in words is "five hundred sixteen million, seven hundred eighty-nine thousand, two hundred eighty-nine".