985282589 has 2 divisors, whose sum is σ = 985282590. Its totient is φ = 985282588.

The previous prime is 985282577. The next prime is 985282619.

985282589 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547092100 + 438190489 = 23390^2 + 20933^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 985282589 - 2¹² = 985278493 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 (985282189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492641294 + 492641295.

It is an arithmetic number, because the mean of its divisors is an integer number (492641295).

Almost surely, 2^985282589 is an apocalyptic number.

It is an amenable number.

985282589 is a deficient number, since it is larger than the sum of its proper divisors (1).

985282589 is an equidigital number, since it uses as much as digits as its factorization.

985282589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 56.

The square root of 985282589 is about 31389.2113472129. The cubic root of 985282589 is about 995.0699306927.

The spelling of 985282589 in words is "nine hundred eighty-five million, two hundred eighty-two thousand, five hundred eighty-nine".