1040530343 has 2 divisors, whose sum is σ = 1040530344. Its totient is φ = 1040530342.

The previous prime is 1040530333. The next prime is 1040530363. The reversal of 1040530343 is 3430350401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040530343 - 2⁸ = 1040530087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040530333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520265171 + 520265172.

It is an arithmetic number, because the mean of its divisors is an integer number (520265172).

Almost surely, 2^1040530343 is an apocalyptic number.

1040530343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040530343 is an equidigital number, since it uses as much as digits as its factorization.

1040530343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1040530343 is about 32257.2525643459. The cubic root of 1040530343 is about 1013.3315931435.

Adding to 1040530343 its reverse (3430350401), we get a palindrome (4470880744).

The spelling of 1040530343 in words is "one billion, forty million, five hundred thirty thousand, three hundred forty-three".