545224297 has 2 divisors, whose sum is σ = 545224298. Its totient is φ = 545224296.

The previous prime is 545224291. The next prime is 545224301. The reversal of 545224297 is 792422545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544942336 + 281961 = 23344^2 + 531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545224297 is a prime.

It is equal to p_28607818 and since 545224297 and 28607818 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 (545224291) 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, 272612148 + 272612149.

It is an arithmetic number, because the mean of its divisors is an integer number (272612149).

Almost surely, 2^545224297 is an apocalyptic number.

It is an amenable number.

545224297 is a deficient number, since it is larger than the sum of its proper divisors (1).

545224297 is an equidigital number, since it uses as much as digits as its factorization.

545224297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 545224297 is about 23350.0384796257. The cubic root of 545224297 is about 816.9429583735.

The spelling of 545224297 in words is "five hundred forty-five million, two hundred twenty-four thousand, two hundred ninety-seven".