10771391 has 2 divisors, whose sum is σ = 10771392. Its totient is φ = 10771390.

The previous prime is 10771381. The next prime is 10771393. The reversal of 10771391 is 19317701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10771391 is a prime.

It is a Sophie Germain prime.

Together with 10771393, 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 (10771393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5385695 + 5385696.

It is an arithmetic number, because the mean of its divisors is an integer number (5385696).

Almost surely, 2^10771391 is an apocalyptic number.

10771391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10771391 is an equidigital number, since it uses as much as digits as its factorization.

10771391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 10771391 is about 3281.9797379021. The cubic root of 10771391 is about 220.8465386985.

The spelling of 10771391 in words is "ten million, seven hundred seventy-one thousand, three hundred ninety-one".