546309 has 12 divisors (see below), whose sum is σ = 798252. Its totient is φ = 360000.

The previous prime is 546289. The next prime is 546317. The reversal of 546309 is 903645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 497025 + 49284 = 705^2 + 222^2 .

It is not a de Polignac number, because 546309 - 2⁸ = 546053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546349) 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 11 ways as a sum of consecutive naturals, for example, 609 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (66521).

2⁵⁴⁶³⁰⁹ is an apocalyptic number.

It is an amenable number.

546309 is a deficient number, since it is larger than the sum of its proper divisors (251943).

546309 is a wasteful number, since it uses less digits than its factorization.

546309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 546309 is about 739.1271879724. The cubic root of 546309 is about 81.7484358481.

The spelling of 546309 in words is "five hundred forty-six thousand, three hundred nine".