52560509 has 2 divisors, whose sum is σ = 52560510. Its totient is φ = 52560508.

The previous prime is 52560493. The next prime is 52560527. The reversal of 52560509 is 90506525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52157284 + 403225 = 7222^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 52560509 - 2⁴ = 52560493 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52560539) 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, 26280254 + 26280255.

It is an arithmetic number, because the mean of its divisors is an integer number (26280255).

Almost surely, 2^52560509 is an apocalyptic number.

It is an amenable number.

52560509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52560509 is an equidigital number, since it uses as much as digits as its factorization.

52560509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 52560509 is about 7249.8626883549. The cubic root of 52560509 is about 374.5874194244.

The spelling of 52560509 in words is "fifty-two million, five hundred sixty thousand, five hundred nine".