5252277181 has 2 divisors, whose sum is σ = 5252277182. Its totient is φ = 5252277180.

The previous prime is 5252277127. The next prime is 5252277187. The reversal of 5252277181 is 1817722525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3344771556 + 1907505625 = 57834^2 + 43675^2 .

It is a cyclic number.

It is not a de Polignac number, because 5252277181 - 2²¹ = 5250180029 is a prime.

It is a super-2 number, since 2×5252277181² = 55172831172106613522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5252277187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626138590 + 2626138591.

It is an arithmetic number, because the mean of its divisors is an integer number (2626138591).

Almost surely, 2^5252277181 is an apocalyptic number.

It is an amenable number.

5252277181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5252277181 is an equidigital number, since it uses as much as digits as its factorization.

5252277181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 40.

The square root of 5252277181 is about 72472.5960691350. The cubic root of 5252277181 is about 1738.2645731624.

The spelling of 5252277181 in words is "five billion, two hundred fifty-two million, two hundred seventy-seven thousand, one hundred eighty-one".