1005532543 has 2 divisors, whose sum is σ = 1005532544. Its totient is φ = 1005532542.

The previous prime is 1005532513. The next prime is 1005532613. The reversal of 1005532543 is 3452355001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3452355001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005532543 - 2²⁹ = 468661631 is a prime.

It is a super-2 number, since 2×1005532543² = 2022191390064093698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005532513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502766271 + 502766272.

It is an arithmetic number, because the mean of its divisors is an integer number (502766272).

Almost surely, 2^1005532543 is an apocalyptic number.

1005532543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005532543 is an equidigital number, since it uses as much as digits as its factorization.

1005532543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1005532543 is about 31710.1331280712. The cubic root of 1005532543 is about 1001.8407904115.

Adding to 1005532543 its reverse (3452355001), we get a palindrome (4457887544).

The spelling of 1005532543 in words is "one billion, five million, five hundred thirty-two thousand, five hundred forty-three".