543631 has 8 divisors (see below), whose sum is σ = 602064. Its totient is φ = 486720.

The previous prime is 543617. The next prime is 543637. The reversal of 543631 is 136345.

543631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 543631 - 2⁷ = 543503 is a prime.

It is a super-2 number, since 2×543631² = 591069328322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543637) 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, 465 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (75258).

2⁵⁴³⁶³¹ is an apocalyptic number.

543631 is a deficient number, since it is larger than the sum of its proper divisors (58433).

543631 is a wasteful number, since it uses less digits than its factorization.

543631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 1080, while the sum is 22.

The square root of 543631 is about 737.3133662155. The cubic root of 543631 is about 81.6146403790.

Adding to 543631 its reverse (136345), we get a palindrome (679976).

The spelling of 543631 in words is "five hundred forty-three thousand, six hundred thirty-one".