2056243 has 4 divisors (see below), whose sum is σ = 2350000. Its totient is φ = 1762488.

The previous prime is 2056211. The next prime is 2056247. The reversal of 2056243 is 3426502.

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: 3426502 = 2 ⋅1713251.

It is not a de Polignac number, because 2056243 - 2⁵ = 2056211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056247) 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, 146868 + ... + 146881.

It is an arithmetic number, because the mean of its divisors is an integer number (587500).

2^2056243 is an apocalyptic number.

2056243 is a deficient number, since it is larger than the sum of its proper divisors (293757).

2056243 is an equidigital number, since it uses as much as digits as its factorization.

2056243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293756.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2056243 is about 1433.9605991798. The cubic root of 2056243 is about 127.1622329961.

The spelling of 2056243 in words is "two million, fifty-six thousand, two hundred forty-three".