4111643 has 2 divisors, whose sum is σ = 4111644. Its totient is φ = 4111642.

The previous prime is 4111633. The next prime is 4111663. The reversal of 4111643 is 3461114.

It is an a-pointer prime, because the next prime (4111663) can be obtained adding 4111643 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4111643 - 2¹⁸ = 3849499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4111633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055821 + 2055822.

It is an arithmetic number, because the mean of its divisors is an integer number (2055822).

Almost surely, 2^4111643 is an apocalyptic number.

4111643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4111643 is an equidigital number, since it uses as much as digits as its factorization.

4111643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 4111643 is about 2027.7186688493. The cubic root of 4111643 is about 160.2034261475.

Adding to 4111643 its reverse (3461114), we get a palindrome (7572757).

The spelling of 4111643 in words is "four million, one hundred eleven thousand, six hundred forty-three".