985030237 has 2 divisors, whose sum is σ = 985030238. Its totient is φ = 985030236.

The previous prime is 985030231. The next prime is 985030259. The reversal of 985030237 is 732030589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973814436 + 11215801 = 31206^2 + 3349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985030237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985030196 and 985030205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985030231) 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, 492515118 + 492515119.

It is an arithmetic number, because the mean of its divisors is an integer number (492515119).

Almost surely, 2^985030237 is an apocalyptic number.

It is an amenable number.

985030237 is a deficient number, since it is larger than the sum of its proper divisors (1).

985030237 is an equidigital number, since it uses as much as digits as its factorization.

985030237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 985030237 is about 31385.1913647185. The cubic root of 985030237 is about 994.9849705229.

The spelling of 985030237 in words is "nine hundred eighty-five million, thirty thousand, two hundred thirty-seven".