542423929 has 2 divisors, whose sum is σ = 542423930. Its totient is φ = 542423928.

The previous prime is 542423873. The next prime is 542423941. The reversal of 542423929 is 929324245.

542423929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518609529 + 23814400 = 22773^2 + 4880^2 .

It is a cyclic number.

It is not a de Polignac number, because 542423929 - 2⁹ = 542423417 is a prime.

It is equal to p_28468840 and since 542423929 and 28468840 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 542423891 and 542423900.

It is not a weakly prime, because it can be changed into another prime (542423969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271211964 + 271211965.

It is an arithmetic number, because the mean of its divisors is an integer number (271211965).

Almost surely, 2^542423929 is an apocalyptic number.

It is an amenable number.

542423929 is a deficient number, since it is larger than the sum of its proper divisors (1).

542423929 is an equidigital number, since it uses as much as digits as its factorization.

542423929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 542423929 is about 23289.9963288962. The cubic root of 542423929 is about 815.5419026414.

The spelling of 542423929 in words is "five hundred forty-two million, four hundred twenty-three thousand, nine hundred twenty-nine".