546541 has 4 divisors (see below), whose sum is σ = 548352. Its totient is φ = 544732.

The previous prime is 546523. The next prime is 546547. The reversal of 546541 is 145645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145645 = 5 ⋅29129.

It is a cyclic number.

It is not a de Polignac number, because 546541 - 2⁵ = 546509 is a prime.

It is an Ulam number.

It is a Duffinian number.

546541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546547) 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 3 ways as a sum of consecutive naturals, for example, 331 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (137088).

2⁵⁴⁶⁵⁴¹ is an apocalyptic number.

It is an amenable number.

546541 is a deficient number, since it is larger than the sum of its proper divisors (1811).

546541 is a wasteful number, since it uses less digits than its factorization.

546541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810.

The product of its digits is 2400, while the sum is 25.

The square root of 546541 is about 739.2841131798. The cubic root of 546541 is about 81.7600061944.

The spelling of 546541 in words is "five hundred forty-six thousand, five hundred forty-one".