545344117 has 2 divisors, whose sum is σ = 545344118. Its totient is φ = 545344116.

The previous prime is 545344097. The next prime is 545344123. The reversal of 545344117 is 711443545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368294481 + 177049636 = 19191^2 + 13306^2 .

It is a cyclic number.

It is not a de Polignac number, because 545344117 - 2¹⁹ = 544819829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545344417) 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, 272672058 + 272672059.

It is an arithmetic number, because the mean of its divisors is an integer number (272672059).

Almost surely, 2^545344117 is an apocalyptic number.

It is an amenable number.

545344117 is a deficient number, since it is larger than the sum of its proper divisors (1).

545344117 is an equidigital number, since it uses as much as digits as its factorization.

545344117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 545344117 is about 23352.6040732078. The cubic root of 545344117 is about 817.0027985384.

The spelling of 545344117 in words is "five hundred forty-five million, three hundred forty-four thousand, one hundred seventeen".