543951 has 12 divisors (see below), whose sum is σ = 827320. Its totient is φ = 343440.

The previous prime is 543929. The next prime is 543967. The reversal of 543951 is 159345.

543951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 543951 - 2⁶ = 543887 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 (543901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1420 + ... + 1761.

2⁵⁴³⁹⁵¹ is an apocalyptic number.

543951 is a deficient number, since it is larger than the sum of its proper divisors (283369).

543951 is a wasteful number, since it uses less digits than its factorization.

543951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3203 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 543951 is about 737.5303383590. The cubic root of 543951 is about 81.6306509709.

It can be divided in two parts, 54 and 3951, that added together give a triangular number (4005 = T₈₉).

The spelling of 543951 in words is "five hundred forty-three thousand, nine hundred fifty-one".