1030543 has 2 divisors, whose sum is σ = 1030544. Its totient is φ = 1030542.

The previous prime is 1030537. The next prime is 1030571. The reversal of 1030543 is 3450301.

It is a weak prime.

It is an emirp because it is prime and its reverse (3450301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030543 - 2⁵ = 1030511 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515271 + 515272.

It is an arithmetic number, because the mean of its divisors is an integer number (515272).

2^1030543 is an apocalyptic number.

1030543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030543 is an equidigital number, since it uses as much as digits as its factorization.

1030543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1030543 is about 1015.1566381598. The cubic root of 1030543 is about 101.0079071024.

Adding to 1030543 its reverse (3450301), we get a palindrome (4480844).

The spelling of 1030543 in words is "one million, thirty thousand, five hundred forty-three".