542404043 has 2 divisors, whose sum is σ = 542404044. Its totient is φ = 542404042.

The previous prime is 542404033. The next prime is 542404063. The reversal of 542404043 is 340404245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542404043 - 2⁸ = 542403787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542404033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271202021 + 271202022.

It is an arithmetic number, because the mean of its divisors is an integer number (271202022).

Almost surely, 2^542404043 is an apocalyptic number.

542404043 is a deficient number, since it is larger than the sum of its proper divisors (1).

542404043 is an equidigital number, since it uses as much as digits as its factorization.

542404043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 542404043 is about 23289.5694034905. The cubic root of 542404043 is about 815.5319362273.

Adding to 542404043 its reverse (340404245), we get a palindrome (882808288).

The spelling of 542404043 in words is "five hundred forty-two million, four hundred four thousand, forty-three".