545260811 has 2 divisors, whose sum is σ = 545260812. Its totient is φ = 545260810.

The previous prime is 545260801. The next prime is 545260847. The reversal of 545260811 is 118062545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545260811 is a prime.

It is a super-3 number, since 3×545260811³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (545260801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272630405 + 272630406.

It is an arithmetic number, because the mean of its divisors is an integer number (272630406).

Almost surely, 2^545260811 is an apocalyptic number.

545260811 is a deficient number, since it is larger than the sum of its proper divisors (1).

545260811 is an equidigital number, since it uses as much as digits as its factorization.

545260811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 545260811 is about 23350.8203496151. The cubic root of 545260811 is about 816.9611950206.

The spelling of 545260811 in words is "five hundred forty-five million, two hundred sixty thousand, eight hundred eleven".