542011273 has 2 divisors, whose sum is σ = 542011274. Its totient is φ = 542011272.

The previous prime is 542011241. The next prime is 542011303. The reversal of 542011273 is 372110245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540237049 + 1774224 = 23243^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 542011273 - 2⁵ = 542011241 is a prime.

It is not a weakly prime, because it can be changed into another prime (542011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271005636 + 271005637.

It is an arithmetic number, because the mean of its divisors is an integer number (271005637).

Almost surely, 2^542011273 is an apocalyptic number.

It is an amenable number.

542011273 is a deficient number, since it is larger than the sum of its proper divisors (1).

542011273 is an equidigital number, since it uses as much as digits as its factorization.

542011273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 542011273 is about 23281.1355607926. The cubic root of 542011273 is about 815.3350388341.

The spelling of 542011273 in words is "five hundred forty-two million, eleven thousand, two hundred seventy-three".