542385841 has 2 divisors, whose sum is σ = 542385842. Its totient is φ = 542385840.

The previous prime is 542385829. The next prime is 542385887. The reversal of 542385841 is 148583245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541539441 + 846400 = 23271^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 542385841 - 2¹⁵ = 542353073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542385794 and 542385803.

It is not a weakly prime, because it can be changed into another prime (542385821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271192920 + 271192921.

It is an arithmetic number, because the mean of its divisors is an integer number (271192921).

Almost surely, 2^542385841 is an apocalyptic number.

It is an amenable number.

542385841 is a deficient number, since it is larger than the sum of its proper divisors (1).

542385841 is an equidigital number, since it uses as much as digits as its factorization.

542385841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 40.

The square root of 542385841 is about 23289.1786244170. The cubic root of 542385841 is about 815.5228135824.

The spelling of 542385841 in words is "five hundred forty-two million, three hundred eighty-five thousand, eight hundred forty-one".