381603713 has 2 divisors, whose sum is σ = 381603714. Its totient is φ = 381603712.

The previous prime is 381603689. The next prime is 381603791. The reversal of 381603713 is 317306183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345699649 + 35904064 = 18593^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 381603713 - 2¹⁴ = 381587329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381603713.

It is not a weakly prime, because it can be changed into another prime (381603613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190801856 + 190801857.

It is an arithmetic number, because the mean of its divisors is an integer number (190801857).

Almost surely, 2^381603713 is an apocalyptic number.

It is an amenable number.

381603713 is a deficient number, since it is larger than the sum of its proper divisors (1).

381603713 is an equidigital number, since it uses as much as digits as its factorization.

381603713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 381603713 is about 19534.6797516622. The cubic root of 381603713 is about 725.3331567514. Note that the first 3 decimals are identical.

Adding to 381603713 its reverse (317306183), we get a palindrome (698909896).

The spelling of 381603713 in words is "three hundred eighty-one million, six hundred three thousand, seven hundred thirteen".