543682 has 4 divisors (see below), whose sum is σ = 815526. Its totient is φ = 271840.

The previous prime is 543679. The next prime is 543689. The reversal of 543682 is 286345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 286345 = 5 ⋅57269.

It can be written as a sum of positive squares in only one way, i.e., 292681 + 251001 = 541^2 + 501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 543682.

It is not an unprimeable number, because it can be changed into a prime (543689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135919 + ... + 135922.

2⁵⁴³⁶⁸² is an apocalyptic number.

543682 is a deficient number, since it is larger than the sum of its proper divisors (271844).

543682 is a wasteful number, since it uses less digits than its factorization.

543682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271843.

The product of its digits is 5760, while the sum is 28.

The square root of 543682 is about 737.3479504277. The cubic root of 543682 is about 81.6171924879.

It can be divided in two parts, 543 and 682, that added together give a triangular number (1225 = T₄₉).

The spelling of 543682 in words is "five hundred forty-three thousand, six hundred eighty-two".