2091059 has 4 divisors (see below), whose sum is σ = 2094504. Its totient is φ = 2087616.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091059 is 9501902.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9501902 = 2 ⋅4750951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2091059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2091053) 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 in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (523626).

2^2091059 is an apocalyptic number.

2091059 is a deficient number, since it is larger than the sum of its proper divisors (3445).

2091059 is an equidigital number, since it uses as much as digits as its factorization.

2091059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 2091059 is about 1446.0494459043. The cubic root of 2091059 is about 127.8759173513.

The spelling of 2091059 in words is "two million, ninety-one thousand, fifty-nine".