10197749 has 2 divisors, whose sum is σ = 10197750. Its totient is φ = 10197748.

The previous prime is 10197743. The next prime is 10197757. The reversal of 10197749 is 94779101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10195249 + 2500 = 3193^2 + 50^2 .

It is an emirp because it is prime and its reverse (94779101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10197749 - 2¹² = 10193653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10197743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098874 + 5098875.

It is an arithmetic number, because the mean of its divisors is an integer number (5098875).

Almost surely, 2^10197749 is an apocalyptic number.

It is an amenable number.

10197749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10197749 is an equidigital number, since it uses as much as digits as its factorization.

10197749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 10197749 is about 3193.3914573694. The cubic root of 10197749 is about 216.8543339193.

The spelling of 10197749 in words is "ten million, one hundred ninety-seven thousand, seven hundred forty-nine".