52405285609 has 2 divisors, whose sum is σ = 52405285610. Its totient is φ = 52405285608.

The previous prime is 52405285579. The next prime is 52405285703. The reversal of 52405285609 is 90658250425.

It is a happy number.

52405285609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44024432400 + 8380853209 = 209820^2 + 91547^2 .

It is a cyclic number.

It is not a de Polignac number, because 52405285609 - 2¹⁷ = 52405154537 is a prime.

It is not a weakly prime, because it can be changed into another prime (52405282609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202642804 + 26202642805.

It is an arithmetic number, because the mean of its divisors is an integer number (26202642805).

Almost surely, 2^52405285609 is an apocalyptic number.

It is an amenable number.

52405285609 is a deficient number, since it is larger than the sum of its proper divisors (1).

52405285609 is an equidigital number, since it uses as much as digits as its factorization.

52405285609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 52405285609 in words is "fifty-two billion, four hundred five million, two hundred eighty-five thousand, six hundred nine".