997000063 has 2 divisors, whose sum is σ = 997000064. Its totient is φ = 997000062.

The previous prime is 997000051. The next prime is 997000073. The reversal of 997000063 is 360000799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997000063 - 2⁹ = 996999551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 996999992 and 997000028.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997000073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498500031 + 498500032.

It is an arithmetic number, because the mean of its divisors is an integer number (498500032).

Almost surely, 2^997000063 is an apocalyptic number.

997000063 is a deficient number, since it is larger than the sum of its proper divisors (1).

997000063 is an equidigital number, since it uses as much as digits as its factorization.

997000063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 997000063 is about 31575.3078053089. The cubic root of 997000063 is about 998.9990193721. Note that the first 3 decimals are identical.

The spelling of 997000063 in words is "nine hundred ninety-seven million, sixty-three", and thus it is an aban number.