5011381 has 2 divisors, whose sum is σ = 5011382. Its totient is φ = 5011380.

The previous prime is 5011361. The next prime is 5011387. The reversal of 5011381 is 1831105.

5011381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4137156 + 874225 = 2034^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 5011381 - 2²¹ = 2914229 is a prime.

It is a super-2 number, since 2×5011381² = 50227879054322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5011387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505690 + 2505691.

It is an arithmetic number, because the mean of its divisors is an integer number (2505691).

Almost surely, 2^5011381 is an apocalyptic number.

It is an amenable number.

5011381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011381 is an equidigital number, since it uses as much as digits as its factorization.

5011381 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 5011381 is about 2238.6113999531. The cubic root of 5011381 is about 171.1272379277.

Adding to 5011381 its reverse (1831105), we get a palindrome (6842486).

The spelling of 5011381 in words is "five million, eleven thousand, three hundred eighty-one".