545323357 has 2 divisors, whose sum is σ = 545323358. Its totient is φ = 545323356.

The previous prime is 545323301. The next prime is 545323367. The reversal of 545323357 is 753323545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541679076 + 3644281 = 23274^2 + 1909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545323357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545323367) 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, 272661678 + 272661679.

It is an arithmetic number, because the mean of its divisors is an integer number (272661679).

Almost surely, 2^545323357 is an apocalyptic number.

It is an amenable number.

545323357 is a deficient number, since it is larger than the sum of its proper divisors (1).

545323357 is an equidigital number, since it uses as much as digits as its factorization.

545323357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 37.

The square root of 545323357 is about 23352.1595789340. The cubic root of 545323357 is about 816.9924312658.

The spelling of 545323357 in words is "five hundred forty-five million, three hundred twenty-three thousand, three hundred fifty-seven".