538921583 has 2 divisors, whose sum is σ = 538921584. Its totient is φ = 538921582.

The previous prime is 538921541. The next prime is 538921597. The reversal of 538921583 is 385129835.

538921583 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 538921583 - 2¹⁰ = 538920559 is a prime.

It is a Sophie Germain 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 (538921283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269460791 + 269460792.

It is an arithmetic number, because the mean of its divisors is an integer number (269460792).

Almost surely, 2^538921583 is an apocalyptic number.

538921583 is a deficient number, since it is larger than the sum of its proper divisors (1).

538921583 is an equidigital number, since it uses as much as digits as its factorization.

538921583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 538921583 is about 23214.6846414075. The cubic root of 538921583 is about 813.7828359186.

The spelling of 538921583 in words is "five hundred thirty-eight million, nine hundred twenty-one thousand, five hundred eighty-three".