542254459 has 2 divisors, whose sum is σ = 542254460. Its totient is φ = 542254458.

The previous prime is 542254421. The next prime is 542254543. The reversal of 542254459 is 954452245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542254459 - 2⁷ = 542254331 is a prime.

It is a super-3 number, since 3×542254459³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (542254409) 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 as a sum of consecutive naturals, namely, 271127229 + 271127230.

It is an arithmetic number, because the mean of its divisors is an integer number (271127230).

Almost surely, 2^542254459 is an apocalyptic number.

542254459 is a deficient number, since it is larger than the sum of its proper divisors (1).

542254459 is an equidigital number, since it uses as much as digits as its factorization.

542254459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 40.

The square root of 542254459 is about 23286.3577873398. The cubic root of 542254459 is about 815.4569602958.

The spelling of 542254459 in words is "five hundred forty-two million, two hundred fifty-four thousand, four hundred fifty-nine".