10946581 has 2 divisors, whose sum is σ = 10946582. Its totient is φ = 10946580.

The previous prime is 10946557. The next prime is 10946599. The reversal of 10946581 is 18564901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5499025 + 5447556 = 2345^2 + 2334^2 .

It is a cyclic number.

It is not a de Polignac number, because 10946581 - 2²¹ = 8849429 is a prime.

It is a super-2 number, since 2×10946581² = 239655271179122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10946081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5473290 + 5473291.

It is an arithmetic number, because the mean of its divisors is an integer number (5473291).

Almost surely, 2^10946581 is an apocalyptic number.

It is an amenable number.

10946581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10946581 is an equidigital number, since it uses as much as digits as its factorization.

10946581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 10946581 is about 3308.5617721300. The cubic root of 10946581 is about 222.0374162511.

The spelling of 10946581 in words is "ten million, nine hundred forty-six thousand, five hundred eighty-one".