525989910841 has 2 divisors, whose sum is σ = 525989910842. Its totient is φ = 525989910840.

The previous prime is 525989910839. The next prime is 525989910871. The reversal of 525989910841 is 148019989525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365989910841 + 160000000000 = 604971^2 + 400000^2 .

It is a cyclic number.

It is not a de Polignac number, because 525989910841 - 2¹ = 525989910839 is a prime.

Together with 525989910839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 525989910841.

It is not a weakly prime, because it can be changed into another prime (525989910821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262994955420 + 262994955421.

It is an arithmetic number, because the mean of its divisors is an integer number (262994955421).

Almost surely, 2^525989910841 is an apocalyptic number.

It is an amenable number.

525989910841 is a deficient number, since it is larger than the sum of its proper divisors (1).

525989910841 is an equidigital number, since it uses as much as digits as its factorization.

525989910841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 61.

The spelling of 525989910841 in words is "five hundred twenty-five billion, nine hundred eighty-nine million, nine hundred ten thousand, eight hundred forty-one".