546545 has 8 divisors (see below), whose sum is σ = 659880. Its totient is φ = 434560.

The previous prime is 546523. The next prime is 546547. The reversal of 546545 is 545645.

546545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 506944 = 199^2 + 712^2 .

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

It is not a de Polignac number, because 546545 - 2⁸ = 546289 is a prime.

It is a super-2 number, since 2×546545² = 597422874050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (546547) 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, 1211 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (82485).

2⁵⁴⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

546545 is a deficient number, since it is larger than the sum of its proper divisors (113335).

546545 is a wasteful number, since it uses less digits than its factorization.

546545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its digits is 12000, while the sum is 29.

The square root of 546545 is about 739.2868184947. The cubic root of 546545 is about 81.7602056545.

Subtracting from 546545 its reverse (545645), we obtain a square (900 = 30²).

The spelling of 546545 in words is "five hundred forty-six thousand, five hundred forty-five".