5287585528681 has 2 divisors, whose sum is σ = 5287585528682. Its totient is φ = 5287585528680.

The previous prime is 5287585528633. The next prime is 5287585528733. The reversal of 5287585528681 is 1868255857825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5233186963456 + 54398565225 = 2287616^2 + 233235^2 .

It is a cyclic number.

It is not a de Polignac number, because 5287585528681 - 2³⁷ = 5150146575209 is a prime.

It is a super-2 number, since 2×5287585528681² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5287585528681.

It is not a weakly prime, because it can be changed into another prime (5287585538681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643792764340 + 2643792764341.

It is an arithmetic number, because the mean of its divisors is an integer number (2643792764341).

Almost surely, 2^{5287585528681} is an apocalyptic number.

It is an amenable number.

5287585528681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287585528681 is an equidigital number, since it uses as much as digits as its factorization.

5287585528681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080000, while the sum is 70.

The spelling of 5287585528681 in words is "five trillion, two hundred eighty-seven billion, five hundred eighty-five million, five hundred twenty-eight thousand, six hundred eighty-one".