542644603 has 2 divisors, whose sum is σ = 542644604. Its totient is φ = 542644602.

The previous prime is 542644547. The next prime is 542644631. The reversal of 542644603 is 306446245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542644603 - 2²¹ = 540547451 is a prime.

It is not a weakly prime, because it can be changed into another prime (542644633) 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, 271322301 + 271322302.

It is an arithmetic number, because the mean of its divisors is an integer number (271322302).

Almost surely, 2^542644603 is an apocalyptic number.

542644603 is a deficient number, since it is larger than the sum of its proper divisors (1).

542644603 is an equidigital number, since it uses as much as digits as its factorization.

542644603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 542644603 is about 23294.7333747352. The cubic root of 542644603 is about 815.6524831204.

The spelling of 542644603 in words is "five hundred forty-two million, six hundred forty-four thousand, six hundred three".