605543 has 2 divisors, whose sum is σ = 605544. Its totient is φ = 605542.

The previous prime is 605533. The next prime is 605551. The reversal of 605543 is 345506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605543 - 2¹⁴ = 589159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 605543.

It is not a weakly prime, because it can be changed into another prime (605503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302771 + 302772.

It is an arithmetic number, because the mean of its divisors is an integer number (302772).

2⁶⁰⁵⁵⁴³ is an apocalyptic number.

605543 is a deficient number, since it is larger than the sum of its proper divisors (1).

605543 is an equidigital number, since it uses as much as digits as its factorization.

605543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 605543 is about 778.1664346398. The cubic root of 605543 is about 84.6022011883.

The spelling of 605543 in words is "six hundred five thousand, five hundred forty-three".