5002561181 has 2 divisors, whose sum is σ = 5002561182. Its totient is φ = 5002561180.

The previous prime is 5002561177. The next prime is 5002561237. The reversal of 5002561181 is 1811652005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3010277956 + 1992283225 = 54866^2 + 44635^2 .

It is a cyclic number.

It is not a de Polignac number, because 5002561181 - 2² = 5002561177 is a prime.

It is a super-2 number, since 2×5002561181² = 50051236739296229522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5002560181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501280590 + 2501280591.

It is an arithmetic number, because the mean of its divisors is an integer number (2501280591).

Almost surely, 2^5002561181 is an apocalyptic number.

It is an amenable number.

5002561181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5002561181 is an equidigital number, since it uses as much as digits as its factorization.

5002561181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 5002561181 is about 70728.7860845922. The cubic root of 5002561181 is about 1710.2678673653.

The spelling of 5002561181 in words is "five billion, two million, five hundred sixty-one thousand, one hundred eighty-one".