545711 has 2 divisors, whose sum is σ = 545712. Its totient is φ = 545710.

The previous prime is 545663. The next prime is 545723. The reversal of 545711 is 117545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545711 - 2⁶ = 545647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545731) 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, 272855 + 272856.

It is an arithmetic number, because the mean of its divisors is an integer number (272856).

2⁵⁴⁵⁷¹¹ is an apocalyptic number.

545711 is a deficient number, since it is larger than the sum of its proper divisors (1).

545711 is an equidigital number, since it uses as much as digits as its factorization.

545711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 700, while the sum is 23.

The square root of 545711 is about 738.7225460212. The cubic root of 545711 is about 81.7185971716.

The spelling of 545711 in words is "five hundred forty-five thousand, seven hundred eleven".