52138579 has 2 divisors, whose sum is σ = 52138580. Its totient is φ = 52138578.

The previous prime is 52138577. The next prime is 52138627. The reversal of 52138579 is 97583125.

52138579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52138579 - 2¹ = 52138577 is a prime.

Together with 52138577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52138573) 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, 26069289 + 26069290.

It is an arithmetic number, because the mean of its divisors is an integer number (26069290).

Almost surely, 2^52138579 is an apocalyptic number.

52138579 is a deficient number, since it is larger than the sum of its proper divisors (1).

52138579 is an equidigital number, since it uses as much as digits as its factorization.

52138579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 52138579 is about 7220.7048824890. The cubic root of 52138579 is about 373.5823905905.

The spelling of 52138579 in words is "fifty-two million, one hundred thirty-eight thousand, five hundred seventy-nine".