1065091 has 2 divisors, whose sum is σ = 1065092. Its totient is φ = 1065090.

The previous prime is 1065089. The next prime is 1065109. The reversal of 1065091 is 1905601.

Together with next prime (1065109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1065091 - 2¹ = 1065089 is a prime.

It is a super-2 number, since 2×1065091² = 2268837676562, which contains 22 as substring.

Together with 1065089, it forms a pair of twin primes.

It is a Chen prime.

1065091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1065011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532545 + 532546.

It is an arithmetic number, because the mean of its divisors is an integer number (532546).

2^1065091 is an apocalyptic number.

1065091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065091 is an equidigital number, since it uses as much as digits as its factorization.

1065091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1065091 is about 1032.0324607298. The cubic root of 1065091 is about 102.1242558500.

The spelling of 1065091 in words is "one million, sixty-five thousand, ninety-one".