5810381 has 2 divisors, whose sum is σ = 5810382. Its totient is φ = 5810380.

The previous prime is 5810359. The next prime is 5810383. The reversal of 5810381 is 1830185.

5810381 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., 5593225 + 217156 = 2365^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 5810381 - 2⁶ = 5810317 is a prime.

It is a super-2 number, since 2×5810381² = 67521054730322, which contains 22 as substring.

Together with 5810383, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5810381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5810383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2905190 + 2905191.

It is an arithmetic number, because the mean of its divisors is an integer number (2905191).

Almost surely, 2^5810381 is an apocalyptic number.

It is an amenable number.

5810381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5810381 is an equidigital number, since it uses as much as digits as its factorization.

5810381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 5810381 is about 2410.4731900604. The cubic root of 5810381 is about 179.7773069058. Note that the first 3 decimals are identical.

The spelling of 5810381 in words is "five million, eight hundred ten thousand, three hundred eighty-one".