10194997 has 2 divisors, whose sum is σ = 10194998. Its totient is φ = 10194996.

The previous prime is 10194983. The next prime is 10195021. The reversal of 10194997 is 79949101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 1674436 = 2919^2 + 1294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10194997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10194907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097498 + 5097499.

It is an arithmetic number, because the mean of its divisors is an integer number (5097499).

Almost surely, 2^10194997 is an apocalyptic number.

It is an amenable number.

10194997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10194997 is an equidigital number, since it uses as much as digits as its factorization.

10194997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 10194997 is about 3192.9605384345. The cubic root of 10194997 is about 216.8348251428.

The spelling of 10194997 in words is "ten million, one hundred ninety-four thousand, nine hundred ninety-seven".