103997953 has 2 divisors, whose sum is σ = 103997954. Its totient is φ = 103997952.

The previous prime is 103997939. The next prime is 103997987. The reversal of 103997953 is 359799301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84787264 + 19210689 = 9208^2 + 4383^2 .

It is an emirp because it is prime and its reverse (359799301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103997953 - 2⁹ = 103997441 is a prime.

It is not a weakly prime, because it can be changed into another prime (103998953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51998976 + 51998977.

It is an arithmetic number, because the mean of its divisors is an integer number (51998977).

Almost surely, 2^103997953 is an apocalyptic number.

It is an amenable number.

103997953 is a deficient number, since it is larger than the sum of its proper divisors (1).

103997953 is an equidigital number, since it uses as much as digits as its factorization.

103997953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 103997953 is about 10197.9386642596. The cubic root of 103997953 is about 470.2638521508.

The spelling of 103997953 in words is "one hundred three million, nine hundred ninety-seven thousand, nine hundred fifty-three".