10172191 has 2 divisors, whose sum is σ = 10172192. Its totient is φ = 10172190.

The previous prime is 10172189. The next prime is 10172203. The reversal of 10172191 is 19127101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10172191 - 2¹ = 10172189 is a prime.

Together with 10172189, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10172161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086095 + 5086096.

It is an arithmetic number, because the mean of its divisors is an integer number (5086096).

Almost surely, 2^10172191 is an apocalyptic number.

10172191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10172191 is an equidigital number, since it uses as much as digits as its factorization.

10172191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 10172191 is about 3189.3872452244. The cubic root of 10172191 is about 216.6730194061.

Adding to 10172191 its reverse (19127101), we get a palindrome (29299292).

The spelling of 10172191 in words is "ten million, one hundred seventy-two thousand, one hundred ninety-one".