542040913 has 2 divisors, whose sum is σ = 542040914. Its totient is φ = 542040912.

The previous prime is 542040907. The next prime is 542040979. The reversal of 542040913 is 319040245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488940544 + 53100369 = 22112^2 + 7287^2 .

It is a cyclic number.

It is not a de Polignac number, because 542040913 - 2²⁹ = 5170001 is a prime.

It is not a weakly prime, because it can be changed into another prime (542044913) 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, 271020456 + 271020457.

It is an arithmetic number, because the mean of its divisors is an integer number (271020457).

Almost surely, 2^542040913 is an apocalyptic number.

It is an amenable number.

542040913 is a deficient number, since it is larger than the sum of its proper divisors (1).

542040913 is an equidigital number, since it uses as much as digits as its factorization.

542040913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 542040913 is about 23281.7721189775. The cubic root of 542040913 is about 815.3499008189.

The spelling of 542040913 in words is "five hundred forty-two million, forty thousand, nine hundred thirteen".