546538 has 4 divisors (see below), whose sum is σ = 819810. Its totient is φ = 273268.

The previous prime is 546523. The next prime is 546547. The reversal of 546538 is 835645.

546538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 458329 + 88209 = 677^2 + 297^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136633 + ... + 136636.

2⁵⁴⁶⁵³⁸ is an apocalyptic number.

546538 is a deficient number, since it is larger than the sum of its proper divisors (273272).

546538 is a wasteful number, since it uses less digits than its factorization.

546538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273271.

The product of its digits is 14400, while the sum is 31.

The square root of 546538 is about 739.2820841871. The cubic root of 546538 is about 81.7598565988.

The spelling of 546538 in words is "five hundred forty-six thousand, five hundred thirty-eight".