539138603 has 2 divisors, whose sum is σ = 539138604. Its totient is φ = 539138602.

The previous prime is 539138599. The next prime is 539138657. The reversal of 539138603 is 306831935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 539138603 - 2² = 539138599 is a prime.

It is not a weakly prime, because it can be changed into another prime (539138693) 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, 269569301 + 269569302.

It is an arithmetic number, because the mean of its divisors is an integer number (269569302).

Almost surely, 2^539138603 is an apocalyptic number.

539138603 is a deficient number, since it is larger than the sum of its proper divisors (1).

539138603 is an equidigital number, since it uses as much as digits as its factorization.

539138603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 539138603 is about 23219.3583675346. The cubic root of 539138603 is about 813.8920561687.

The spelling of 539138603 in words is "five hundred thirty-nine million, one hundred thirty-eight thousand, six hundred three".