542279629 has 2 divisors, whose sum is σ = 542279630. Its totient is φ = 542279628.

The previous prime is 542279599. The next prime is 542279641. The reversal of 542279629 is 926972245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 523357129 + 18922500 = 22877^2 + 4350^2 .

It is a cyclic number.

It is not a de Polignac number, because 542279629 - 2¹¹ = 542277581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542279669) 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, 271139814 + 271139815.

It is an arithmetic number, because the mean of its divisors is an integer number (271139815).

Almost surely, 2^542279629 is an apocalyptic number.

It is an amenable number.

542279629 is a deficient number, since it is larger than the sum of its proper divisors (1).

542279629 is an equidigital number, since it uses as much as digits as its factorization.

542279629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 542279629 is about 23286.8982262559. The cubic root of 542279629 is about 815.4695772101.

The spelling of 542279629 in words is "five hundred forty-two million, two hundred seventy-nine thousand, six hundred twenty-nine".