545911 has 2 divisors, whose sum is σ = 545912. Its totient is φ = 545910.

The previous prime is 545899. The next prime is 545917. The reversal of 545911 is 119545.

545911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272955 + 272956.

It is an arithmetic number, because the mean of its divisors is an integer number (272956).

2⁵⁴⁵⁹¹¹ is an apocalyptic number.

545911 is a deficient number, since it is larger than the sum of its proper divisors (1).

545911 is an equidigital number, since it uses as much as digits as its factorization.

545911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 25.

The square root of 545911 is about 738.8579024413. The cubic root of 545911 is about 81.7285790871.

The spelling of 545911 in words is "five hundred forty-five thousand, nine hundred eleven".