1083641543 has 2 divisors, whose sum is σ = 1083641544. Its totient is φ = 1083641542.

The previous prime is 1083641519. The next prime is 1083641561. The reversal of 1083641543 is 3451463801.

It is a strong prime.

It is an emirp because it is prime and its reverse (3451463801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1083641543 - 2¹² = 1083637447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1083641843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541820771 + 541820772.

It is an arithmetic number, because the mean of its divisors is an integer number (541820772).

Almost surely, 2^1083641543 is an apocalyptic number.

1083641543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083641543 is an equidigital number, since it uses as much as digits as its factorization.

1083641543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1083641543 is about 32918.7111381962. The cubic root of 1083641543 is about 1027.1374134400.

The spelling of 1083641543 in words is "one billion, eighty-three million, six hundred forty-one thousand, five hundred forty-three".