52652420609 has 2 divisors, whose sum is σ = 52652420610. Its totient is φ = 52652420608.

The previous prime is 52652420581. The next prime is 52652420671. The reversal of 52652420609 is 90602425625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41360170384 + 11292250225 = 203372^2 + 106265^2 .

It is a cyclic number.

It is not a de Polignac number, because 52652420609 - 2²⁸ = 52383985153 is a prime.

It is not a weakly prime, because it can be changed into another prime (52652420309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26326210304 + 26326210305.

It is an arithmetic number, because the mean of its divisors is an integer number (26326210305).

Almost surely, 2^52652420609 is an apocalyptic number.

It is an amenable number.

52652420609 is a deficient number, since it is larger than the sum of its proper divisors (1).

52652420609 is an equidigital number, since it uses as much as digits as its factorization.

52652420609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 52652420609 in words is "fifty-two billion, six hundred fifty-two million, four hundred twenty thousand, six hundred nine".