5181103 has 2 divisors, whose sum is σ = 5181104. Its totient is φ = 5181102.

The previous prime is 5181101. The next prime is 5181133. The reversal of 5181103 is 3011815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5181103 - 2¹ = 5181101 is a prime.

Together with 5181101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5181101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590551 + 2590552.

It is an arithmetic number, because the mean of its divisors is an integer number (2590552).

Almost surely, 2^5181103 is an apocalyptic number.

5181103 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181103 is an equidigital number, since it uses as much as digits as its factorization.

5181103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 5181103 is about 2276.2036376388. The cubic root of 5181103 is about 173.0377032551.

Adding to 5181103 its reverse (3011815), we get a palindrome (8192918).

The spelling of 5181103 in words is "five million, one hundred eighty-one thousand, one hundred three".