52528429 has 2 divisors, whose sum is σ = 52528430. Its totient is φ = 52528428.

The previous prime is 52528397. The next prime is 52528433. The reversal of 52528429 is 92482525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 11594025 = 6398^2 + 3405^2 .

It is a cyclic number.

It is not a de Polignac number, because 52528429 - 2⁵ = 52528397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52528439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26264214 + 26264215.

It is an arithmetic number, because the mean of its divisors is an integer number (26264215).

Almost surely, 2^52528429 is an apocalyptic number.

It is an amenable number.

52528429 is a deficient number, since it is larger than the sum of its proper divisors (1).

52528429 is an equidigital number, since it uses as much as digits as its factorization.

52528429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The square root of 52528429 is about 7247.6498949660. The cubic root of 52528429 is about 374.5111948326.

The spelling of 52528429 in words is "fifty-two million, five hundred twenty-eight thousand, four hundred twenty-nine".