10181797 has 2 divisors, whose sum is σ = 10181798. Its totient is φ = 10181796.

The previous prime is 10181783. The next prime is 10181803. The reversal of 10181797 is 79718101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8579041 + 1602756 = 2929^2 + 1266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10181797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10181707) 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, 5090898 + 5090899.

It is an arithmetic number, because the mean of its divisors is an integer number (5090899).

Almost surely, 2^10181797 is an apocalyptic number.

It is an amenable number.

10181797 is a deficient number, since it is larger than the sum of its proper divisors (1).

10181797 is an equidigital number, since it uses as much as digits as its factorization.

10181797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 10181797 is about 3190.8928217663. The cubic root of 10181797 is about 216.7412022325.

Adding to 10181797 its reverse (79718101), we get a palindrome (89899898).

The spelling of 10181797 in words is "ten million, one hundred eighty-one thousand, seven hundred ninety-seven".