10559891 has 2 divisors, whose sum is σ = 10559892. Its totient is φ = 10559890.

The previous prime is 10559881. The next prime is 10559903. The reversal of 10559891 is 19895501.

It is a weak prime.

It is an emirp because it is prime and its reverse (19895501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10559891 is a prime.

It is a super-2 number, since 2×10559891² = 223022595863762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10559831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5279945 + 5279946.

It is an arithmetic number, because the mean of its divisors is an integer number (5279946).

Almost surely, 2^10559891 is an apocalyptic number.

10559891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10559891 is an equidigital number, since it uses as much as digits as its factorization.

10559891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 10559891 is about 3249.5985905955. The cubic root of 10559891 is about 219.3915072413.

The spelling of 10559891 in words is "ten million, five hundred fifty-nine thousand, eight hundred ninety-one".