41382643 has 2 divisors, whose sum is σ = 41382644. Its totient is φ = 41382642.

The previous prime is 41382637. The next prime is 41382689. The reversal of 41382643 is 34628314.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41382643 is a prime.

It is not a weakly prime, because it can be changed into another prime (41382443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20691321 + 20691322.

It is an arithmetic number, because the mean of its divisors is an integer number (20691322).

Almost surely, 2^41382643 is an apocalyptic number.

41382643 is a deficient number, since it is larger than the sum of its proper divisors (1).

41382643 is an equidigital number, since it uses as much as digits as its factorization.

41382643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 41382643 is about 6432.9342449616. The cubic root of 41382643 is about 345.8911164622.

It can be divided in two parts, 41382 and 643, that added together give a square (42025 = 205²).

The spelling of 41382643 in words is "forty-one million, three hundred eighty-two thousand, six hundred forty-three".