5140181 has 2 divisors, whose sum is σ = 5140182. Its totient is φ = 5140180.

The previous prime is 5140153. The next prime is 5140183. The reversal of 5140181 is 1810415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 167281 = 2230^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140181 - 2⁶ = 5140117 is a prime.

It is a super-2 number, since 2×5140181² = 52842921425522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5140183, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5140183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570090 + 2570091.

It is an arithmetic number, because the mean of its divisors is an integer number (2570091).

Almost surely, 2^5140181 is an apocalyptic number.

It is an amenable number.

5140181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5140181 is an equidigital number, since it uses as much as digits as its factorization.

5140181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 5140181 is about 2267.1967272383. The cubic root of 5140181 is about 172.5809296092.

Adding to 5140181 its reverse (1810415), we get a palindrome (6950596).

The spelling of 5140181 in words is "five million, one hundred forty thousand, one hundred eighty-one".