542804573 has 2 divisors, whose sum is σ = 542804574. Its totient is φ = 542804572.

The previous prime is 542804519. The next prime is 542804651. The reversal of 542804573 is 375408245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315488644 + 227315929 = 17762^2 + 15077^2 .

It is a cyclic number.

It is not a de Polignac number, because 542804573 - 2¹² = 542800477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542804173) 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, 271402286 + 271402287.

It is an arithmetic number, because the mean of its divisors is an integer number (271402287).

Almost surely, 2^542804573 is an apocalyptic number.

It is an amenable number.

542804573 is a deficient number, since it is larger than the sum of its proper divisors (1).

542804573 is an equidigital number, since it uses as much as digits as its factorization.

542804573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 542804573 is about 23298.1667304533. The cubic root of 542804573 is about 815.7326258802.

The spelling of 542804573 in words is "five hundred forty-two million, eight hundred four thousand, five hundred seventy-three".