2056897 has 4 divisors (see below), whose sum is σ = 2069680. Its totient is φ = 2044116.

The previous prime is 2056891. The next prime is 2056903. The reversal of 2056897 is 7986502.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7986502 = 2 ⋅3993251.

It is an interprime number because it is at equal distance from previous prime (2056891) and next prime (2056903).

It is a cyclic number.

It is not a de Polignac number, because 2056897 - 2¹¹ = 2054849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056891) 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, 6147 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (517420).

2^2056897 is an apocalyptic number.

It is an amenable number.

2056897 is a deficient number, since it is larger than the sum of its proper divisors (12783).

2056897 is a wasteful number, since it uses less digits than its factorization.

2056897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2056897 is about 1434.1886207888. The cubic root of 2056897 is about 127.1757131287.

The spelling of 2056897 in words is "two million, fifty-six thousand, eight hundred ninety-seven".