911000897 has 2 divisors, whose sum is σ = 911000898. Its totient is φ = 911000896.

The previous prime is 911000891. The next prime is 911000899. The reversal of 911000897 is 798000119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874325761 + 36675136 = 29569^2 + 6056^2 .

It is a cyclic number.

It is not a de Polignac number, because 911000897 - 2⁶ = 911000833 is a prime.

Together with 911000899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (911000891) 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, 455500448 + 455500449.

It is an arithmetic number, because the mean of its divisors is an integer number (455500449).

Almost surely, 2^911000897 is an apocalyptic number.

It is an amenable number.

911000897 is a deficient number, since it is larger than the sum of its proper divisors (1).

911000897 is an equidigital number, since it uses as much as digits as its factorization.

911000897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 911000897 is about 30182.7914050374. The cubic root of 911000897 is about 969.4072607111.

The spelling of 911000897 in words is "nine hundred eleven million, eight hundred ninety-seven", and thus it is an aban number.