942543 has 16 divisors (see below), whose sum is σ = 1596160. Its totient is φ = 538488.

The previous prime is 942541. The next prime is 942569. The reversal of 942543 is 345249.

It is not a de Polignac number, because 942543 - 2¹ = 942541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

942543 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305 + ... + 2682.

It is an arithmetic number, because the mean of its divisors is an integer number (99760).

2⁹⁴²⁵⁴³ is an apocalyptic number.

942543 is a deficient number, since it is larger than the sum of its proper divisors (653617).

942543 is a wasteful number, since it uses less digits than its factorization.

942543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 4997 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 942543 is about 970.8465378215. The cubic root of 942543 is about 98.0468677669.

It can be divided in two parts, 942 and 543, that added together give a triangular number (1485 = T₅₄).

The spelling of 942543 in words is "nine hundred forty-two thousand, five hundred forty-three".