984515489 has 2 divisors, whose sum is σ = 984515490. Its totient is φ = 984515488.

The previous prime is 984515479. The next prime is 984515491.

984515489 is nontrivially palindromic in base 10.

984515489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697382464 + 287133025 = 26408^2 + 16945^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 984515489 - 2⁴ = 984515473 is a prime.

It is a Sophie Germain prime.

Together with 984515491, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 984515489.

It is not a weakly prime, because it can be changed into another prime (984515479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492257744 + 492257745.

It is an arithmetic number, because the mean of its divisors is an integer number (492257745).

Almost surely, 2^984515489 is an apocalyptic number.

It is an amenable number.

984515489 is a deficient number, since it is larger than the sum of its proper divisors (1).

984515489 is an equidigital number, since it uses as much as digits as its factorization.

984515489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 53.

The square root of 984515489 is about 31376.9898014453. The cubic root of 984515489 is about 994.8116236398.

The spelling of 984515489 in words is "nine hundred eighty-four million, five hundred fifteen thousand, four hundred eighty-nine".