2056019 has 4 divisors (see below), whose sum is σ = 2349744. Its totient is φ = 1762296.

The previous prime is 2056007. The next prime is 2056069. The reversal of 2056019 is 9106502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9106502 = 2 ⋅4553251.

It is a cyclic number.

It is not a de Polignac number, because 2056019 - 2¹² = 2051923 is a prime.

It is a super-2 number, since 2×2056019² = 8454428256722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055985 and 2056003.

It is not an unprimeable number, because it can be changed into a prime (2056069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146852 + ... + 146865.

It is an arithmetic number, because the mean of its divisors is an integer number (587436).

2^2056019 is an apocalyptic number.

2056019 is a deficient number, since it is larger than the sum of its proper divisors (293725).

2056019 is an equidigital number, since it uses as much as digits as its factorization.

2056019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293724.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2056019 is about 1433.8824916987. The cubic root of 2056019 is about 127.1576152905.

The spelling of 2056019 in words is "two million, fifty-six thousand, nineteen".