542004091 has 2 divisors, whose sum is σ = 542004092. Its totient is φ = 542004090.

The previous prime is 542004079. The next prime is 542004097. The reversal of 542004091 is 190400245.

542004091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542004091 - 2⁵ = 542004059 is a prime.

It is not a weakly prime, because it can be changed into another prime (542004097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271002045 + 271002046.

It is an arithmetic number, because the mean of its divisors is an integer number (271002046).

Almost surely, 2^542004091 is an apocalyptic number.

542004091 is a deficient number, since it is larger than the sum of its proper divisors (1).

542004091 is an equidigital number, since it uses as much as digits as its factorization.

542004091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 542004091 is about 23280.9813152281. The cubic root of 542004091 is about 815.3314375792.

The spelling of 542004091 in words is "five hundred forty-two million, four thousand, ninety-one".