538985599 has 2 divisors, whose sum is σ = 538985600. Its totient is φ = 538985598.

The previous prime is 538985543. The next prime is 538985609. The reversal of 538985599 is 995589835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538985599 - 2⁹ = 538985087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538985539) 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, 269492799 + 269492800.

It is an arithmetic number, because the mean of its divisors is an integer number (269492800).

Almost surely, 2^538985599 is an apocalyptic number.

538985599 is a deficient number, since it is larger than the sum of its proper divisors (1).

538985599 is an equidigital number, since it uses as much as digits as its factorization.

538985599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496000, while the sum is 61.

The square root of 538985599 is about 23216.0633829252. The cubic root of 538985599 is about 813.8150564748.

The spelling of 538985599 in words is "five hundred thirty-eight million, nine hundred eighty-five thousand, five hundred ninety-nine".