5207550281 has 2 divisors, whose sum is σ = 5207550282. Its totient is φ = 5207550280.

The previous prime is 5207550269. The next prime is 5207550307. The reversal of 5207550281 is 1820557025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5181120400 + 26429881 = 71980^2 + 5141^2 .

It is a cyclic number.

It is not a de Polignac number, because 5207550281 - 2¹⁰ = 5207549257 is a prime.

It is a super-2 number, since 2×5207550281² = 54237159858286357922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5207550241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603775140 + 2603775141.

It is an arithmetic number, because the mean of its divisors is an integer number (2603775141).

Almost surely, 2^5207550281 is an apocalyptic number.

It is an amenable number.

5207550281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5207550281 is an equidigital number, since it uses as much as digits as its factorization.

5207550281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 5207550281 is about 72163.3582990703. The cubic root of 5207550281 is about 1733.3163114165.

The spelling of 5207550281 in words is "five billion, two hundred seven million, five hundred fifty thousand, two hundred eighty-one".