538475279 has 2 divisors, whose sum is σ = 538475280. Its totient is φ = 538475278.

The previous prime is 538475251. The next prime is 538475293. The reversal of 538475279 is 972574835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538475279 - 2¹² = 538471183 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 (538475209) 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, 269237639 + 269237640.

It is an arithmetic number, because the mean of its divisors is an integer number (269237640).

Almost surely, 2^538475279 is an apocalyptic number.

538475279 is a deficient number, since it is larger than the sum of its proper divisors (1).

538475279 is an equidigital number, since it uses as much as digits as its factorization.

538475279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 50.

The square root of 538475279 is about 23205.0701140936. The cubic root of 538475279 is about 813.5581310936.

The spelling of 538475279 in words is "five hundred thirty-eight million, four hundred seventy-five thousand, two hundred seventy-nine".