545420211 has 8 divisors (see below), whose sum is σ = 831116544. Its totient is φ = 311668680.

The previous prime is 545420189. The next prime is 545420221. The reversal of 545420211 is 112024545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545420211 - 2⁵ = 545420179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545420221) 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 in 7 ways as a sum of consecutive naturals, for example, 12986175 + ... + 12986216.

It is an arithmetic number, because the mean of its divisors is an integer number (103889568).

Almost surely, 2^545420211 is an apocalyptic number.

545420211 is a deficient number, since it is larger than the sum of its proper divisors (285696333).

545420211 is a wasteful number, since it uses less digits than its factorization.

545420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25972401.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 545420211 is about 23354.2332565212. The cubic root of 545420211 is about 817.0407966376.

Adding to 545420211 its reverse (112024545), we get a palindrome (657444756).

The spelling of 545420211 in words is "five hundred forty-five million, four hundred twenty thousand, two hundred eleven".