546865 has 16 divisors (see below), whose sum is σ = 732096. Its totient is φ = 388800.

The previous prime is 546863. The next prime is 546869. The reversal of 546865 is 568645.

It is not a de Polignac number, because 546865 - 2¹ = 546863 is a prime.

It is a super-2 number, since 2×546865² = 598122656450, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (28800) is a multiple of the sum of its prime divisors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 546865.

It is not an unprimeable number, because it can be changed into a prime (546863) 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, 3274 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (45756).

2⁵⁴⁶⁸⁶⁵ is an apocalyptic number.

546865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546865 is a deficient number, since it is larger than the sum of its proper divisors (185231).

546865 is a wasteful number, since it uses less digits than its factorization.

546865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its digits is 28800, while the sum is 34.

The square root of 546865 is about 739.5032116225. The cubic root of 546865 is about 81.7761593035.

It can be divided in two parts, 54686 and 5, that multiplied together give a triangular number (273430 = T₇₃₉).

The spelling of 546865 in words is "five hundred forty-six thousand, eight hundred sixty-five".