545155211 has 2 divisors, whose sum is σ = 545155212. Its totient is φ = 545155210.

The previous prime is 545155199. The next prime is 545155217. The reversal of 545155211 is 112551545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545155211 - 2¹⁰ = 545154187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545155217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272577605 + 272577606.

It is an arithmetic number, because the mean of its divisors is an integer number (272577606).

Almost surely, 2^545155211 is an apocalyptic number.

545155211 is a deficient number, since it is larger than the sum of its proper divisors (1).

545155211 is an equidigital number, since it uses as much as digits as its factorization.

545155211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5000, while the sum is 29.

The square root of 545155211 is about 23348.5590775962. The cubic root of 545155211 is about 816.9084516542.

The spelling of 545155211 in words is "five hundred forty-five million, one hundred fifty-five thousand, two hundred eleven".