5181101 has 2 divisors, whose sum is σ = 5181102. Its totient is φ = 5181100.

The previous prime is 5181079. The next prime is 5181103. The reversal of 5181101 is 1011815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5175625 + 5476 = 2275^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 5181101 - 2¹⁴ = 5164717 is a prime.

It is a Sophie Germain prime.

Together with 5181103, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5181101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5181103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590550 + 2590551.

It is an arithmetic number, because the mean of its divisors is an integer number (2590551).

Almost surely, 2^5181101 is an apocalyptic number.

It is an amenable number.

5181101 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181101 is an equidigital number, since it uses as much as digits as its factorization.

5181101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 5181101 is about 2276.2031983107. The cubic root of 5181101 is about 173.0376809899.

Adding to 5181101 its reverse (1011815), we get a palindrome (6192916).

The spelling of 5181101 in words is "five million, one hundred eighty-one thousand, one hundred one".