381713 has 2 divisors, whose sum is σ = 381714. Its totient is φ = 381712.

The previous prime is 381707. The next prime is 381737. The reversal of 381713 is 317183.

Added to its reverse (317183) it gives a square (698896 = 836²).

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380689 + 1024 = 617^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 381713 - 2⁴ = 381697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (381793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190856 + 190857.

It is an arithmetic number, because the mean of its divisors is an integer number (190857).

2³⁸¹⁷¹³ is an apocalyptic number.

It is an amenable number.

381713 is a deficient number, since it is larger than the sum of its proper divisors (1).

381713 is an equidigital number, since it uses as much as digits as its factorization.

381713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 381713 is about 617.8292644412. The cubic root of 381713 is about 72.5402392554.

Adding to 381713 its reverse (317183), we get a palindrome (698896).

The spelling of 381713 in words is "three hundred eighty-one thousand, seven hundred thirteen".