911064397 has 2 divisors, whose sum is σ = 911064398. Its totient is φ = 911064396.

The previous prime is 911064379. The next prime is 911064443. The reversal of 911064397 is 793460119.

Together with previous prime (911064379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490445316 + 420619081 = 22146^2 + 20509^2 .

It is a cyclic number.

It is not a de Polignac number, because 911064397 - 2¹¹ = 911062349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (911064317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455532198 + 455532199.

It is an arithmetic number, because the mean of its divisors is an integer number (455532199).

Almost surely, 2^911064397 is an apocalyptic number.

It is an amenable number.

911064397 is a deficient number, since it is larger than the sum of its proper divisors (1).

911064397 is an equidigital number, since it uses as much as digits as its factorization.

911064397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 911064397 is about 30183.8433106190. The cubic root of 911064397 is about 969.4297838982.

The spelling of 911064397 in words is "nine hundred eleven million, sixty-four thousand, three hundred ninety-seven".