542376943 has 4 divisors (see below), whose sum is σ = 542466288. Its totient is φ = 542287600.

The previous prime is 542376941. The next prime is 542376953. The reversal of 542376943 is 349673245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542376943 - 2¹ = 542376941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542376943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542376941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34846 + ... + 47947.

It is an arithmetic number, because the mean of its divisors is an integer number (135616572).

Almost surely, 2^542376943 is an apocalyptic number.

542376943 is a deficient number, since it is larger than the sum of its proper divisors (89345).

542376943 is an equidigital number, since it uses as much as digits as its factorization.

542376943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89344.

The product of its digits is 544320, while the sum is 43.

The square root of 542376943 is about 23288.9875907048. The cubic root of 542376943 is about 815.5183539271.

The spelling of 542376943 in words is "five hundred forty-two million, three hundred seventy-six thousand, nine hundred forty-three".