103017493 has 2 divisors, whose sum is σ = 103017494. Its totient is φ = 103017492.

The previous prime is 103017479. The next prime is 103017503. The reversal of 103017493 is 394710301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61826769 + 41190724 = 7863^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 103017493 - 2⁹ = 103016981 is a prime.

It is a super-2 number, since 2×103017493² = 21225207728010098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103017403) 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 as a sum of consecutive naturals, namely, 51508746 + 51508747.

It is an arithmetic number, because the mean of its divisors is an integer number (51508747).

Almost surely, 2^103017493 is an apocalyptic number.

It is an amenable number.

103017493 is a deficient number, since it is larger than the sum of its proper divisors (1).

103017493 is an equidigital number, since it uses as much as digits as its factorization.

103017493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 103017493 is about 10149.7533467568. The cubic root of 103017493 is about 468.7813502469.

Adding to 103017493 its reverse (394710301), we get a palindrome (497727794).

The spelling of 103017493 in words is "one hundred three million, seventeen thousand, four hundred ninety-three".