1043605543 has 2 divisors, whose sum is σ = 1043605544. Its totient is φ = 1043605542.

The previous prime is 1043605517. The next prime is 1043605547. The reversal of 1043605543 is 3455063401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1043605543 - 2¹³ = 1043597351 is a prime.

It is a super-2 number, since 2×1043605543² = 2178225058760649698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043605547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521802771 + 521802772.

It is an arithmetic number, because the mean of its divisors is an integer number (521802772).

Almost surely, 2^1043605543 is an apocalyptic number.

1043605543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043605543 is an equidigital number, since it uses as much as digits as its factorization.

1043605543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1043605543 is about 32304.8841972851. The cubic root of 1043605543 is about 1014.3288834452.

Adding to 1043605543 its reverse (3455063401), we get a palindrome (4498668944).

The spelling of 1043605543 in words is "one billion, forty-three million, six hundred five thousand, five hundred forty-three".