2872897 has 2 divisors, whose sum is σ = 2872898. Its totient is φ = 2872896.

The previous prime is 2872889. The next prime is 2872921. The reversal of 2872897 is 7982782.

2872897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2792241 + 80656 = 1671^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872897 - 2³ = 2872889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872817) 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 as a sum of consecutive naturals, namely, 1436448 + 1436449.

It is an arithmetic number, because the mean of its divisors is an integer number (1436449).

2^2872897 is an apocalyptic number.

It is an amenable number.

2872897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872897 is an equidigital number, since it uses as much as digits as its factorization.

2872897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 2872897 is about 1694.9622414673. The cubic root of 2872897 is about 142.1586700877.

It can be divided in two parts, 287289 and 7, that added together give a square (287296 = 536²).

The spelling of 2872897 in words is "two million, eight hundred seventy-two thousand, eight hundred ninety-seven".