997103 has 2 divisors, whose sum is σ = 997104. Its totient is φ = 997102.

The previous prime is 997099. The next prime is 997109. The reversal of 997103 is 301799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997103 - 2² = 997099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498551 + 498552.

It is an arithmetic number, because the mean of its divisors is an integer number (498552).

2⁹⁹⁷¹⁰³ is an apocalyptic number.

997103 is a deficient number, since it is larger than the sum of its proper divisors (1).

997103 is an equidigital number, since it uses as much as digits as its factorization.

997103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 997103 is about 998.5504494015. The cubic root of 997103 is about 99.9033399317.

The spelling of 997103 in words is "nine hundred ninety-seven thousand, one hundred three".