381413 has 2 divisors, whose sum is σ = 381414. Its totient is φ = 381412.

The previous prime is 381401. The next prime is 381419. The reversal of 381413 is 314183.

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., 277729 + 103684 = 527^2 + 322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381419) 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, 190706 + 190707.

It is an arithmetic number, because the mean of its divisors is an integer number (190707).

2³⁸¹⁴¹³ is an apocalyptic number.

It is an amenable number.

381413 is a deficient number, since it is larger than the sum of its proper divisors (1).

381413 is an equidigital number, since it uses as much as digits as its factorization.

381413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 381413 is about 617.5864311981. The cubic root of 381413 is about 72.5212304055.

Adding to 381413 its reverse (314183), we get a palindrome (695596).

The spelling of 381413 in words is "three hundred eighty-one thousand, four hundred thirteen".