546581 has 8 divisors (see below), whose sum is σ = 631104. Its totient is φ = 463680.

The previous prime is 546569. The next prime is 546583. The reversal of 546581 is 185645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 546581 - 2¹⁴ = 530197 is a prime.

It is a super-2 number, since 2×546581² = 597501579122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 546581.

It is not an unprimeable number, because it can be changed into a prime (546583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (78888).

2⁵⁴⁶⁵⁸¹ is an apocalyptic number.

It is an amenable number.

546581 is a deficient number, since it is larger than the sum of its proper divisors (84523).

546581 is a wasteful number, since it uses less digits than its factorization.

546581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 4800, while the sum is 29.

The square root of 546581 is about 739.3111658835. The cubic root of 546581 is about 81.7620007508.

The spelling of 546581 in words is "five hundred forty-six thousand, five hundred eighty-one".