52134521 has 2 divisors, whose sum is σ = 52134522. Its totient is φ = 52134520.

The previous prime is 52134503. The next prime is 52134527. The reversal of 52134521 is 12543125.

52134521 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., 36421225 + 15713296 = 6035^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 52134521 - 2¹⁸ = 51872377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52134527) 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, 26067260 + 26067261.

It is an arithmetic number, because the mean of its divisors is an integer number (26067261).

Almost surely, 2^52134521 is an apocalyptic number.

It is an amenable number.

52134521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52134521 is an equidigital number, since it uses as much as digits as its factorization.

52134521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 23.

The square root of 52134521 is about 7220.4238795240. The cubic root of 52134521 is about 373.5726982366.

Adding to 52134521 its reverse (12543125), we get a palindrome (64677646).

The spelling of 52134521 in words is "fifty-two million, one hundred thirty-four thousand, five hundred twenty-one".