542561003 has 2 divisors, whose sum is σ = 542561004. Its totient is φ = 542561002.

The previous prime is 542560987. The next prime is 542561059. The reversal of 542561003 is 300165245.

542561003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542561003 - 2⁴ = 542560987 is a prime.

It is not a weakly prime, because it can be changed into another prime (542563003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271280501 + 271280502.

It is an arithmetic number, because the mean of its divisors is an integer number (271280502).

Almost surely, 2^542561003 is an apocalyptic number.

542561003 is a deficient number, since it is larger than the sum of its proper divisors (1).

542561003 is an equidigital number, since it uses as much as digits as its factorization.

542561003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 542561003 is about 23292.9389086049. The cubic root of 542561003 is about 815.6105944090.

The spelling of 542561003 in words is "five hundred forty-two million, five hundred sixty-one thousand, three".