103997 has 2 divisors, whose sum is σ = 103998. Its totient is φ = 103996.

The previous prime is 103993. The next prime is 104003. The reversal of 103997 is 799301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81796 + 22201 = 286^2 + 149^2 .

It is an emirp because it is prime and its reverse (799301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103997 - 2² = 103993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51998 + 51999.

It is an arithmetic number, because the mean of its divisors is an integer number (51999).

2¹⁰³⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

103997 is a deficient number, since it is larger than the sum of its proper divisors (1).

103997 is an equidigital number, since it uses as much as digits as its factorization.

103997 is an evil number, because the sum of its binary digits is even.

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

The square root of 103997 is about 322.4856585959. The cubic root of 103997 is about 47.0262415703.

The spelling of 103997 in words is "one hundred three thousand, nine hundred ninety-seven".