803438897 has 2 divisors, whose sum is σ = 803438898. Its totient is φ = 803438896.

The previous prime is 803438893. The next prime is 803438917. The reversal of 803438897 is 798834308.

It is a happy number.

803438897 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., 563777536 + 239661361 = 23744^2 + 15481^2 .

It is a cyclic number.

It is not a de Polignac number, because 803438897 - 2² = 803438893 is a prime.

It is a super-2 number, since 2×803438897² = 1291028122425153218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (803438893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401719448 + 401719449.

It is an arithmetic number, because the mean of its divisors is an integer number (401719449).

Almost surely, 2^803438897 is an apocalyptic number.

It is an amenable number.

803438897 is a deficient number, since it is larger than the sum of its proper divisors (1).

803438897 is an equidigital number, since it uses as much as digits as its factorization.

803438897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 803438897 is about 28344.9977421061. The cubic root of 803438897 is about 929.6460274664.

The spelling of 803438897 in words is "eight hundred three million, four hundred thirty-eight thousand, eight hundred ninety-seven".