8042897 has 2 divisors, whose sum is σ = 8042898. Its totient is φ = 8042896.

The previous prime is 8042863. The next prime is 8042917. The reversal of 8042897 is 7982408.

It is a Cunningham number, because it is equal to 2836²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 1 = 2836^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 8042897 - 2⁸ = 8042641 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8042897.

It is not a weakly prime, because it can be changed into another prime (8042807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021448 + 4021449.

It is an arithmetic number, because the mean of its divisors is an integer number (4021449).

Almost surely, 2^8042897 is an apocalyptic number.

It is an amenable number.

8042897 is a deficient number, since it is larger than the sum of its proper divisors (1).

8042897 is an equidigital number, since it uses as much as digits as its factorization.

8042897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8042897 is about 2836.0001763046. Note that the first 3 decimals coincide. The cubic root of 8042897 is about 200.3568379547.

The spelling of 8042897 in words is "eight million, forty-two thousand, eight hundred ninety-seven".