897167563 has 2 divisors, whose sum is σ = 897167564. Its totient is φ = 897167562.

The previous prime is 897167561. The next prime is 897167597. The reversal of 897167563 is 365761798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897167563 - 2¹ = 897167561 is a prime.

Together with 897167561, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 897167563.

It is not a weakly prime, because it can be changed into another prime (897167561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448583781 + 448583782.

It is an arithmetic number, because the mean of its divisors is an integer number (448583782).

Almost surely, 2^897167563 is an apocalyptic number.

897167563 is a deficient number, since it is larger than the sum of its proper divisors (1).

897167563 is an equidigital number, since it uses as much as digits as its factorization.

897167563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 897167563 is about 29952.7555159788. The cubic root of 897167563 is about 964.4754728616.

It can be divided in two parts, 89716 and 7563, that added together give a palindrome (97279).

The spelling of 897167563 in words is "eight hundred ninety-seven million, one hundred sixty-seven thousand, five hundred sixty-three".