52513350509 has 2 divisors, whose sum is σ = 52513350510. Its totient is φ = 52513350508.

The previous prime is 52513350493. The next prime is 52513350521. The reversal of 52513350509 is 90505331525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45537426025 + 6975924484 = 213395^2 + 83522^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513350509 - 2⁴ = 52513350493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52513350529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256675254 + 26256675255.

It is an arithmetic number, because the mean of its divisors is an integer number (26256675255).

Almost surely, 2^52513350509 is an apocalyptic number.

It is an amenable number.

52513350509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52513350509 is an equidigital number, since it uses as much as digits as its factorization.

52513350509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 38.

The spelling of 52513350509 in words is "fifty-two billion, five hundred thirteen million, three hundred fifty thousand, five hundred nine".