985735573 has 2 divisors, whose sum is σ = 985735574. Its totient is φ = 985735572.

The previous prime is 985735567. The next prime is 985735589. The reversal of 985735573 is 375537589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 899580049 + 86155524 = 29993^2 + 9282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985735573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985735573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985745573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492867786 + 492867787.

It is an arithmetic number, because the mean of its divisors is an integer number (492867787).

Almost surely, 2^985735573 is an apocalyptic number.

It is an amenable number.

985735573 is a deficient number, since it is larger than the sum of its proper divisors (1).

985735573 is an equidigital number, since it uses as much as digits as its factorization.

985735573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 52.

The square root of 985735573 is about 31396.4261182702. The cubic root of 985735573 is about 995.2224019067. Note that the first 3 decimals are identical.

The spelling of 985735573 in words is "nine hundred eighty-five million, seven hundred thirty-five thousand, five hundred seventy-three".