542446049 has 2 divisors, whose sum is σ = 542446050. Its totient is φ = 542446048.

The previous prime is 542446033. The next prime is 542446097. The reversal of 542446049 is 940644245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424071649 + 118374400 = 20593^2 + 10880^2 .

It is a cyclic number.

It is not a de Polignac number, because 542446049 - 2⁴ = 542446033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542446349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271223024 + 271223025.

It is an arithmetic number, because the mean of its divisors is an integer number (271223025).

Almost surely, 2^542446049 is an apocalyptic number.

It is an amenable number.

542446049 is a deficient number, since it is larger than the sum of its proper divisors (1).

542446049 is an equidigital number, since it uses as much as digits as its factorization.

542446049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 542446049 is about 23290.4712060533. The cubic root of 542446049 is about 815.5529883996.

The spelling of 542446049 in words is "five hundred forty-two million, four hundred forty-six thousand, forty-nine".