10442891 has 2 divisors, whose sum is σ = 10442892. Its totient is φ = 10442890.

The previous prime is 10442819. The next prime is 10442903. The reversal of 10442891 is 19824401.

Together with previous prime (10442819) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10442891 - 2¹⁰ = 10441867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10442801) 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, 5221445 + 5221446.

It is an arithmetic number, because the mean of its divisors is an integer number (5221446).

Almost surely, 2^10442891 is an apocalyptic number.

10442891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442891 is an equidigital number, since it uses as much as digits as its factorization.

10442891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 10442891 is about 3231.5462243329. The cubic root of 10442891 is about 218.5782351228.

The spelling of 10442891 in words is "ten million, four hundred forty-two thousand, eight hundred ninety-one".