997063 has 8 divisors (see below), whose sum is σ = 1062320. Its totient is φ = 933120.

The previous prime is 997057. The next prime is 997069. The reversal of 997063 is 360799.

It is an interprime number because it is at equal distance from previous prime (997057) and next prime (997069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997063 - 2⁹ = 996551 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997069) 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 in 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (132790).

2⁹⁹⁷⁰⁶³ is an apocalyptic number.

997063 is a deficient number, since it is larger than the sum of its proper divisors (65257).

997063 is a wasteful number, since it uses less digits than its factorization.

997063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

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

The square root of 997063 is about 998.5304201676. The cubic root of 997063 is about 99.9020039992.

The spelling of 997063 in words is "nine hundred ninety-seven thousand, sixty-three".