547213 has 4 divisors (see below), whose sum is σ = 579420. Its totient is φ = 515008.

The previous prime is 547171. The next prime is 547223. The reversal of 547213 is 312745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312745 = 5 ⋅62549.

It can be written as a sum of positive squares in 2 ways, for example, as 299209 + 248004 = 547^2 + 498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16078 + ... + 16111.

It is an arithmetic number, because the mean of its divisors is an integer number (144855).

2⁵⁴⁷²¹³ is an apocalyptic number.

It is an amenable number.

547213 is a deficient number, since it is larger than the sum of its proper divisors (32207).

547213 is a wasteful number, since it uses less digits than its factorization.

547213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32206.

The product of its digits is 840, while the sum is 22.

The square root of 547213 is about 739.7384672977. The cubic root of 547213 is about 81.7935018341.

Adding to 547213 its reverse (312745), we get a palindrome (859958).

The spelling of 547213 in words is "five hundred forty-seven thousand, two hundred thirteen".