10771381 has 2 divisors, whose sum is σ = 10771382. Its totient is φ = 10771380.

The previous prime is 10771373. The next prime is 10771391. The reversal of 10771381 is 18317701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9979281 + 792100 = 3159^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 10771381 - 2³ = 10771373 is a prime.

It is a super-2 number, since 2×10771381² = 232045297294322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10771301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5385690 + 5385691.

It is an arithmetic number, because the mean of its divisors is an integer number (5385691).

Almost surely, 2^10771381 is an apocalyptic number.

It is an amenable number.

10771381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10771381 is an equidigital number, since it uses as much as digits as its factorization.

10771381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 10771381 is about 3281.9782144310. The cubic root of 10771381 is about 220.8464703549.

The spelling of 10771381 in words is "ten million, seven hundred seventy-one thousand, three hundred eighty-one".