52138573 has 2 divisors, whose sum is σ = 52138574. Its totient is φ = 52138572.

The previous prime is 52138561. The next prime is 52138577. The reversal of 52138573 is 37583125.

52138573 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 can be written as a sum of positive squares in only one way, i.e., 50879689 + 1258884 = 7133^2 + 1122^2 .

It is a cyclic number.

It is not a de Polignac number, because 52138573 - 2²⁵ = 18584141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52138577) 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, 26069286 + 26069287.

It is an arithmetic number, because the mean of its divisors is an integer number (26069287).

Almost surely, 2^52138573 is an apocalyptic number.

It is an amenable number.

52138573 is a deficient number, since it is larger than the sum of its proper divisors (1).

52138573 is an equidigital number, since it uses as much as digits as its factorization.

52138573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 52138573 is about 7220.7044670171. The cubic root of 52138573 is about 373.5823762601.

The spelling of 52138573 in words is "fifty-two million, one hundred thirty-eight thousand, five hundred seventy-three".