983517089 has 2 divisors, whose sum is σ = 983517090. Its totient is φ = 983517088.

The previous prime is 983517077. The next prime is 983517169. The reversal of 983517089 is 980715389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816073489 + 167443600 = 28567^2 + 12940^2 .

It is a cyclic number.

It is not a de Polignac number, because 983517089 - 2¹² = 983512993 is a prime.

It is not a weakly prime, because it can be changed into another prime (983517889) 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, 491758544 + 491758545.

It is an arithmetic number, because the mean of its divisors is an integer number (491758545).

Almost surely, 2^983517089 is an apocalyptic number.

It is an amenable number.

983517089 is a deficient number, since it is larger than the sum of its proper divisors (1).

983517089 is an equidigital number, since it uses as much as digits as its factorization.

983517089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 983517089 is about 31361.0760178920. The cubic root of 983517089 is about 994.4752294548.

The spelling of 983517089 in words is "nine hundred eighty-three million, five hundred seventeen thousand, eighty-nine".