543652 has 6 divisors (see below), whose sum is σ = 951398. Its totient is φ = 271824.

The previous prime is 543637. The next prime is 543659. The reversal of 543652 is 256345.

It can be written as a sum of positive squares in only one way, i.e., 509796 + 33856 = 714^2 + 184^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (543659) by changing a digit.

543652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67953 + ... + 67960.

2⁵⁴³⁶⁵² is an apocalyptic number.

It is an amenable number.

543652 is a deficient number, since it is larger than the sum of its proper divisors (407746).

543652 is a wasteful number, since it uses less digits than its factorization.

543652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135917 (or 135915 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 543652 is about 737.3276069699. The cubic root of 543652 is about 81.6156912667.

Adding to 543652 its reverse (256345), we get a palindrome (799997).

The spelling of 543652 in words is "five hundred forty-three thousand, six hundred fifty-two".