10691771 has 2 divisors, whose sum is σ = 10691772. Its totient is φ = 10691770.

The previous prime is 10691753. The next prime is 10691773. The reversal of 10691771 is 17719601.

10691771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17719601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10691771 - 2¹⁰ = 10690747 is a prime.

It is a super-2 number, since 2×10691771² = 228627934232882, which contains 22 as substring.

Together with 10691773, 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 (10691773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345885 + 5345886.

It is an arithmetic number, because the mean of its divisors is an integer number (5345886).

Almost surely, 2^10691771 is an apocalyptic number.

10691771 is a deficient number, since it is larger than the sum of its proper divisors (1).

10691771 is an equidigital number, since it uses as much as digits as its factorization.

10691771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 10691771 is about 3269.8273654736. The cubic root of 10691771 is about 220.3010410451.

The spelling of 10691771 in words is "ten million, six hundred ninety-one thousand, seven hundred seventy-one".