103405693 has 2 divisors, whose sum is σ = 103405694. Its totient is φ = 103405692.

The previous prime is 103405663. The next prime is 103405697. The reversal of 103405693 is 396504301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76965529 + 26440164 = 8773^2 + 5142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103405693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103405697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51702846 + 51702847.

It is an arithmetic number, because the mean of its divisors is an integer number (51702847).

Almost surely, 2^103405693 is an apocalyptic number.

It is an amenable number.

103405693 is a deficient number, since it is larger than the sum of its proper divisors (1).

103405693 is an equidigital number, since it uses as much as digits as its factorization.

103405693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 103405693 is about 10168.8589822064. The cubic root of 103405693 is about 469.3694471693.

Adding to 103405693 its reverse (396504301), we get a palindrome (499909994).

The spelling of 103405693 in words is "one hundred three million, four hundred five thousand, six hundred ninety-three".