2663897 has 2 divisors, whose sum is σ = 2663898. Its totient is φ = 2663896.

The previous prime is 2663887. The next prime is 2663953. The reversal of 2663897 is 7983662.

2663897 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., 2611456 + 52441 = 1616^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663897 - 2¹² = 2659801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2663827) 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, 1331948 + 1331949.

It is an arithmetic number, because the mean of its divisors is an integer number (1331949).

2^2663897 is an apocalyptic number.

It is an amenable number.

2663897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663897 is an equidigital number, since it uses as much as digits as its factorization.

2663897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 2663897 is about 1632.1449077824. The cubic root of 2663897 is about 138.6242287490.

The spelling of 2663897 in words is "two million, six hundred sixty-three thousand, eight hundred ninety-seven".