10505171 has 4 divisors (see below), whose sum is σ = 10513152. Its totient is φ = 10497192.

The previous prime is 10505141. The next prime is 10505179. The reversal of 10505171 is 17150501.

10505171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17150501 = 17 ⋅1008853.

It is a cyclic number.

It is not a de Polignac number, because 10505171 - 2⁶ = 10505107 is a prime.

It is a super-2 number, since 2×10505171² = 220717235478482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505179) 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 in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (2628288).

Almost surely, 2^10505171 is an apocalyptic number.

10505171 is a deficient number, since it is larger than the sum of its proper divisors (7981).

10505171 is an equidigital number, since it uses as much as digits as its factorization.

10505171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7980.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 10505171 is about 3241.1681536138. The cubic root of 10505171 is about 219.0118979101.

Adding to 10505171 its reverse (17150501), we get a palindrome (27655672).

The spelling of 10505171 in words is "ten million, five hundred five thousand, one hundred seventy-one".