104381 has 2 divisors, whose sum is σ = 104382. Its totient is φ = 104380.

The previous prime is 104369. The next prime is 104383. The reversal of 104381 is 183401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96100 + 8281 = 310^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 104381 - 2¹⁰ = 103357 is a prime.

It is a super-2 number, since 2×104381² = 21790786322, which contains 22 as substring.

Together with 104383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52190 + 52191.

It is an arithmetic number, because the mean of its divisors is an integer number (52191).

2¹⁰⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

104381 is a deficient number, since it is larger than the sum of its proper divisors (1).

104381 is an equidigital number, since it uses as much as digits as its factorization.

104381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 104381 is about 323.0804853283. The cubic root of 104381 is about 47.0840505978.

Adding to 104381 its reverse (183401), we get a palindrome (287782).

The spelling of 104381 in words is "one hundred four thousand, three hundred eighty-one".