103613443 has 2 divisors, whose sum is σ = 103613444. Its totient is φ = 103613442.

The previous prime is 103613417. The next prime is 103613483. The reversal of 103613443 is 344316301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103613443 - 2⁹ = 103612931 is a prime.

It is a super-3 number, since 3×103613443³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103613483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51806721 + 51806722.

It is an arithmetic number, because the mean of its divisors is an integer number (51806722).

Almost surely, 2^103613443 is an apocalyptic number.

103613443 is a deficient number, since it is larger than the sum of its proper divisors (1).

103613443 is an equidigital number, since it uses as much as digits as its factorization.

103613443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 103613443 is about 10179.0688670428. The cubic root of 103613443 is about 469.6835700186.

Adding to 103613443 its reverse (344316301), we get a palindrome (447929744).

The spelling of 103613443 in words is "one hundred three million, six hundred thirteen thousand, four hundred forty-three".