546542 has 4 divisors (see below), whose sum is σ = 819816. Its totient is φ = 273270.

The previous prime is 546523. The next prime is 546547. The reversal of 546542 is 245645.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546547) by changing a digit.

546542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 136634 + ... + 136637.

It is an arithmetic number, because the mean of its divisors is an integer number (204954).

2⁵⁴⁶⁵⁴² is an apocalyptic number.

546542 is a deficient number, since it is larger than the sum of its proper divisors (273274).

546542 is a wasteful number, since it uses less digits than its factorization.

546542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273273.

The product of its digits is 4800, while the sum is 26.

The square root of 546542 is about 739.2847895094. The cubic root of 546542 is about 81.7600560595.

The spelling of 546542 in words is "five hundred forty-six thousand, five hundred forty-two".