5194381 has 2 divisors, whose sum is σ = 5194382. Its totient is φ = 5194380.

The previous prime is 5194379. The next prime is 5194403. The reversal of 5194381 is 1834915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 826281 = 2090^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 5194381 - 2¹ = 5194379 is a prime.

It is a super-2 number, since 2×5194381² = 53963187946322, which contains 22 as substring.

Together with 5194379, it forms a pair of twin primes.

5194381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5194351) 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, 2597190 + 2597191.

It is an arithmetic number, because the mean of its divisors is an integer number (2597191).

Almost surely, 2^5194381 is an apocalyptic number.

It is an amenable number.

5194381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5194381 is an equidigital number, since it uses as much as digits as its factorization.

5194381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 5194381 is about 2279.1184699353. The cubic root of 5194381 is about 173.1853960453.

It can be divided in two parts, 519 and 4381, that added together give a square (4900 = 70²).

The spelling of 5194381 in words is "five million, one hundred ninety-four thousand, three hundred eighty-one".