103534643 has 2 divisors, whose sum is σ = 103534644. Its totient is φ = 103534642.

The previous prime is 103534633. The next prime is 103534681. The reversal of 103534643 is 346435301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103534643 is a prime.

It is a super-2 number, since 2×103534643² = 21438844602274898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103534633) 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, 51767321 + 51767322.

It is an arithmetic number, because the mean of its divisors is an integer number (51767322).

Almost surely, 2^103534643 is an apocalyptic number.

103534643 is a deficient number, since it is larger than the sum of its proper divisors (1).

103534643 is an equidigital number, since it uses as much as digits as its factorization.

103534643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 103534643 is about 10175.1974428018. The cubic root of 103534643 is about 469.5644720497.

Adding to 103534643 its reverse (346435301), we get a palindrome (449969944).

The spelling of 103534643 in words is "one hundred three million, five hundred thirty-four thousand, six hundred forty-three".