542541073 has 2 divisors, whose sum is σ = 542541074. Its totient is φ = 542541072.

The previous prime is 542541059. The next prime is 542541121. The reversal of 542541073 is 370145245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313714944 + 228826129 = 17712^2 + 15127^2 .

It is a cyclic number.

It is not a de Polignac number, because 542541073 - 2²¹ = 540443921 is a prime.

It is not a weakly prime, because it can be changed into another prime (542541473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271270536 + 271270537.

It is an arithmetic number, because the mean of its divisors is an integer number (271270537).

Almost surely, 2^542541073 is an apocalyptic number.

It is an amenable number.

542541073 is a deficient number, since it is larger than the sum of its proper divisors (1).

542541073 is an equidigital number, since it uses as much as digits as its factorization.

542541073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 542541073 is about 23292.5110926237. The cubic root of 542541073 is about 815.6006076253.

The spelling of 542541073 in words is "five hundred forty-two million, five hundred forty-one thousand, seventy-three".