538988543 has 2 divisors, whose sum is σ = 538988544. Its totient is φ = 538988542.

The previous prime is 538988521. The next prime is 538988557. The reversal of 538988543 is 345889835.

538988543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538988543 - 2¹² = 538984447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538988503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269494271 + 269494272.

It is an arithmetic number, because the mean of its divisors is an integer number (269494272).

Almost surely, 2^538988543 is an apocalyptic number.

538988543 is a deficient number, since it is larger than the sum of its proper divisors (1).

538988543 is an equidigital number, since it uses as much as digits as its factorization.

538988543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 53.

The square root of 538988543 is about 23216.1267872141. The cubic root of 538988543 is about 813.8165381886.

The spelling of 538988543 in words is "five hundred thirty-eight million, nine hundred eighty-eight thousand, five hundred forty-three".