545061 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 324720.

The previous prime is 545057. The next prime is 545063. The reversal of 545061 is 160545.

It is a happy number.

It is not a de Polignac number, because 545061 - 2² = 545057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545063) 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 15 ways as a sum of consecutive naturals, for example, 2640 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁵⁴⁵⁰⁶¹ is an apocalyptic number.

It is an amenable number.

545061 is a deficient number, since it is larger than the sum of its proper divisors (261339).

545061 is a wasteful number, since it uses less digits than its factorization.

545061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 545061 is about 738.2824662688. The cubic root of 545061 is about 81.6861390931.

It can be divided in two parts, 54 and 5061, that added together give a palindrome (5115).

The spelling of 545061 in words is "five hundred forty-five thousand, sixty-one".