2000897 has 4 divisors (see below), whose sum is σ = 2008020. Its totient is φ = 1993776.

The previous prime is 2000863. The next prime is 2000903. The reversal of 2000897 is 7980002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7980002 = 2 ⋅3990001.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 440896 = 1249^2 + 664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3122 + ... + 3707.

It is an arithmetic number, because the mean of its divisors is an integer number (502005).

It is a Proth number, since it is equal to 977 ⋅ 2¹¹ + 1 and 977 < 2¹¹.

2^2000897 is an apocalyptic number.

It is an amenable number.

2000897 is a deficient number, since it is larger than the sum of its proper divisors (7123).

2000897 is an equidigital number, since it uses as much as digits as its factorization.

2000897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2000897 is about 1414.5306642134. The cubic root of 2000897 is about 126.0109379939.

Adding to 2000897 its reverse (7980002), we get a palindrome (9980899).

The spelling of 2000897 in words is "two million, eight hundred ninety-seven", and thus it is an aban number.