2056017 has 4 divisors (see below), whose sum is σ = 2741360. Its totient is φ = 1370676.

The previous prime is 2056007. The next prime is 2056069. The reversal of 2056017 is 7106502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2056017 - 2⁴ = 2056001 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055984 and 2056002.

It is not an unprimeable number, because it can be changed into a prime (2056007) 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, 342667 + ... + 342672.

It is an arithmetic number, because the mean of its divisors is an integer number (685340).

2^2056017 is an apocalyptic number.

It is an amenable number.

2056017 is a deficient number, since it is larger than the sum of its proper divisors (685343).

2056017 is an equidigital number, since it uses as much as digits as its factorization.

2056017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685342.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2056017 is about 1433.8817942913. The cubic root of 2056017 is about 127.1575740595.

The spelling of 2056017 in words is "two million, fifty-six thousand, seventeen".