10985197 has 2 divisors, whose sum is σ = 10985198. Its totient is φ = 10985196.

The previous prime is 10985147. The next prime is 10985201. The reversal of 10985197 is 79158901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 2601 = 3314^2 + 51^2 .

It is an emirp because it is prime and its reverse (79158901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10985197 - 2¹¹ = 10983149 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 (10985137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5492598 + 5492599.

It is an arithmetic number, because the mean of its divisors is an integer number (5492599).

Almost surely, 2^10985197 is an apocalyptic number.

It is an amenable number.

10985197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10985197 is an equidigital number, since it uses as much as digits as its factorization.

10985197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 10985197 is about 3314.3924028395. The cubic root of 10985197 is about 222.2982019171.

The spelling of 10985197 in words is "ten million, nine hundred eighty-five thousand, one hundred ninety-seven".