5250055121 has 2 divisors, whose sum is σ = 5250055122. Its totient is φ = 5250055120.

The previous prime is 5250055103. The next prime is 5250055157. The reversal of 5250055121 is 1215500525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4821358096 + 428697025 = 69436^2 + 20705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5250055121 is a prime.

It is not a weakly prime, because it can be changed into another prime (5250055721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625027560 + 2625027561.

It is an arithmetic number, because the mean of its divisors is an integer number (2625027561).

Almost surely, 2^5250055121 is an apocalyptic number.

It is an amenable number.

5250055121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5250055121 is an equidigital number, since it uses as much as digits as its factorization.

5250055121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5250055121 is about 72457.2641009858. The cubic root of 5250055121 is about 1738.0194050272.

Adding to 5250055121 its reverse (1215500525), we get a palindrome (6465555646).

The spelling of 5250055121 in words is "five billion, two hundred fifty million, fifty-five thousand, one hundred twenty-one".