546291 has 8 divisors (see below), whose sum is σ = 809360. Its totient is φ = 364176.

The previous prime is 546289. The next prime is 546317. The reversal of 546291 is 192645.

It is not a de Polignac number, because 546291 - 2¹ = 546289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20233 = 546291 / (5 + 4 + 6 + 2 + 9 + 1).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546291.

It is not an unprimeable number, because it can be changed into a prime (546211) 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 in 7 ways as a sum of consecutive naturals, for example, 10090 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (101170).

2⁵⁴⁶²⁹¹ is an apocalyptic number.

546291 is a deficient number, since it is larger than the sum of its proper divisors (263069).

546291 is a wasteful number, since it uses less digits than its factorization.

546291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242 (or 20236 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 546291 is about 739.1150113480. The cubic root of 546291 is about 81.7475380119.

The spelling of 546291 in words is "five hundred forty-six thousand, two hundred ninety-one".