545322307 has 2 divisors, whose sum is σ = 545322308. Its totient is φ = 545322306.

The previous prime is 545322289. The next prime is 545322343. The reversal of 545322307 is 703223545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545322307 - 2¹⁹ = 544798019 is a prime.

It is equal to p_28612714 and since 545322307 and 28612714 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (545322377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272661153 + 272661154.

It is an arithmetic number, because the mean of its divisors is an integer number (272661154).

Almost surely, 2^545322307 is an apocalyptic number.

545322307 is a deficient number, since it is larger than the sum of its proper divisors (1).

545322307 is an equidigital number, since it uses as much as digits as its factorization.

545322307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 545322307 is about 23352.1370970624. The cubic root of 545322307 is about 816.9919069026.

The spelling of 545322307 in words is "five hundred forty-five million, three hundred twenty-two thousand, three hundred seven".