10172252171 has 2 divisors, whose sum is σ = 10172252172. Its totient is φ = 10172252170.

The previous prime is 10172252137. The next prime is 10172252173. The reversal of 10172252171 is 17125227101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10172252171 is a prime.

Together with 10172252173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10172252173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086126085 + 5086126086.

It is an arithmetic number, because the mean of its divisors is an integer number (5086126086).

Almost surely, 2^10172252171 is an apocalyptic number.

10172252171 is a deficient number, since it is larger than the sum of its proper divisors (1).

10172252171 is an equidigital number, since it uses as much as digits as its factorization.

10172252171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 29.

Adding to 10172252171 its reverse (17125227101), we get a palindrome (27297479272).

The spelling of 10172252171 in words is "ten billion, one hundred seventy-two million, two hundred fifty-two thousand, one hundred seventy-one".