2011459 has 4 divisors (see below), whose sum is σ = 2054304. Its totient is φ = 1968616.

The previous prime is 2011441. The next prime is 2011483. The reversal of 2011459 is 9541102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9541102 = 2 ⋅4770551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21352 + ... + 21445.

It is an arithmetic number, because the mean of its divisors is an integer number (513576).

2^2011459 is an apocalyptic number.

2011459 is a deficient number, since it is larger than the sum of its proper divisors (42845).

2011459 is an equidigital number, since it uses as much as digits as its factorization.

2011459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42844.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2011459 is about 1418.2591441623. The cubic root of 2011459 is about 126.2322708170.

The spelling of 2011459 in words is "two million, eleven thousand, four hundred fifty-nine".