52201681529 has 2 divisors, whose sum is σ = 52201681530. Its totient is φ = 52201681528.

The previous prime is 52201681523. The next prime is 52201681561. The reversal of 52201681529 is 92518610225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46952389225 + 5249292304 = 216685^2 + 72452^2 .

It is a cyclic number.

It is not a de Polignac number, because 52201681529 - 2²⁴ = 52184904313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52201681523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26100840764 + 26100840765.

It is an arithmetic number, because the mean of its divisors is an integer number (26100840765).

Almost surely, 2^52201681529 is an apocalyptic number.

It is an amenable number.

52201681529 is a deficient number, since it is larger than the sum of its proper divisors (1).

52201681529 is an equidigital number, since it uses as much as digits as its factorization.

52201681529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 52201681529 in words is "fifty-two billion, two hundred one million, six hundred eighty-one thousand, five hundred twenty-nine".