606540343 has 2 divisors, whose sum is σ = 606540344. Its totient is φ = 606540342.

The previous prime is 606540329. The next prime is 606540367. The reversal of 606540343 is 343045606.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606540343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606541343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303270171 + 303270172.

It is an arithmetic number, because the mean of its divisors is an integer number (303270172).

Almost surely, 2^606540343 is an apocalyptic number.

606540343 is a deficient number, since it is larger than the sum of its proper divisors (1).

606540343 is an equidigital number, since it uses as much as digits as its factorization.

606540343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 606540343 is about 24628.0397717723. The cubic root of 606540343 is about 846.4862295720.

Adding to 606540343 its reverse (343045606), we get a palindrome (949585949).

The spelling of 606540343 in words is "six hundred six million, five hundred forty thousand, three hundred forty-three".