545322343 has 2 divisors, whose sum is σ = 545322344. Its totient is φ = 545322342.

The previous prime is 545322307. The next prime is 545322359. The reversal of 545322343 is 343223545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545322343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545332343) 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, 272661171 + 272661172.

It is an arithmetic number, because the mean of its divisors is an integer number (272661172).

Almost surely, 2^545322343 is an apocalyptic number.

545322343 is a deficient number, since it is larger than the sum of its proper divisors (1).

545322343 is an equidigital number, since it uses as much as digits as its factorization.

545322343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 31.

The square root of 545322343 is about 23352.1378678698. The cubic root of 545322343 is about 816.9919248807.

Adding to 545322343 its reverse (343223545), we get a palindrome (888545888).

The spelling of 545322343 in words is "five hundred forty-five million, three hundred twenty-two thousand, three hundred forty-three".