542525273 has 2 divisors, whose sum is σ = 542525274. Its totient is φ = 542525272.

The previous prime is 542525261. The next prime is 542525287. The reversal of 542525273 is 372525245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481012624 + 61512649 = 21932^2 + 7843^2 .

It is a cyclic number.

It is not a de Polignac number, because 542525273 - 2⁶ = 542525209 is a prime.

It is not a weakly prime, because it can be changed into another prime (542525293) 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, 271262636 + 271262637.

It is an arithmetic number, because the mean of its divisors is an integer number (271262637).

Almost surely, 2^542525273 is an apocalyptic number.

It is an amenable number.

542525273 is a deficient number, since it is larger than the sum of its proper divisors (1).

542525273 is an equidigital number, since it uses as much as digits as its factorization.

542525273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 35.

The square root of 542525273 is about 23292.1719253487. The cubic root of 542525273 is about 815.5926901819.

The spelling of 542525273 in words is "five hundred forty-two million, five hundred twenty-five thousand, two hundred seventy-three".