545599 has 2 divisors, whose sum is σ = 545600. Its totient is φ = 545598.

The previous prime is 545579. The next prime is 545609. The reversal of 545599 is 995545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545599 - 2⁹ = 545087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545549) 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, 272799 + 272800.

It is an arithmetic number, because the mean of its divisors is an integer number (272800).

2⁵⁴⁵⁵⁹⁹ is an apocalyptic number.

545599 is a deficient number, since it is larger than the sum of its proper divisors (1).

545599 is an equidigital number, since it uses as much as digits as its factorization.

545599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 37.

The square root of 545599 is about 738.6467355915. The cubic root of 545599 is about 81.7130062336.

It can be divided in two parts, 5455 and 99, that multiplied together give a palindrome (540045).

The spelling of 545599 in words is "five hundred forty-five thousand, five hundred ninety-nine".