545059 has 4 divisors (see below), whose sum is σ = 556704. Its totient is φ = 533416.

The previous prime is 545057. The next prime is 545063. The reversal of 545059 is 950545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545059 - 2¹ = 545057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5752 + ... + 5845.

It is an arithmetic number, because the mean of its divisors is an integer number (139176).

2⁵⁴⁵⁰⁵⁹ is an apocalyptic number.

545059 is a deficient number, since it is larger than the sum of its proper divisors (11645).

545059 is a wasteful number, since it uses less digits than its factorization.

545059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11644.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 545059 is about 738.2811117725. The cubic root of 545059 is about 81.6860391823.

It can be divided in two parts, 54505 and 9, that multiplied together give a triangular number (490545 = T₉₉₀).

The spelling of 545059 in words is "five hundred forty-five thousand, fifty-nine".