16985053 has 2 divisors, whose sum is σ = 16985054. Its totient is φ = 16985052.

The previous prime is 16985047. The next prime is 16985071. The reversal of 16985053 is 35058961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 7112889 = 3142^2 + 2667^2 .

It is a cyclic number.

It is not a de Polignac number, because 16985053 - 2⁵ = 16985021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16985083) 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, 8492526 + 8492527.

It is an arithmetic number, because the mean of its divisors is an integer number (8492527).

Almost surely, 2^16985053 is an apocalyptic number.

It is an amenable number.

16985053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16985053 is an equidigital number, since it uses as much as digits as its factorization.

16985053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 16985053 is about 4121.2926370254. The cubic root of 16985053 is about 257.0527782515.

The spelling of 16985053 in words is "sixteen million, nine hundred eighty-five thousand, fifty-three".