381935233 has 2 divisors, whose sum is σ = 381935234. Its totient is φ = 381935232.

The previous prime is 381935189. The next prime is 381935293. The reversal of 381935233 is 332539183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196784784 + 185150449 = 14028^2 + 13607^2 .

It is a cyclic number.

It is not a de Polignac number, because 381935233 - 2¹⁷ = 381804161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381935192 and 381935201.

It is not a weakly prime, because it can be changed into another prime (381935293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190967616 + 190967617.

It is an arithmetic number, because the mean of its divisors is an integer number (190967617).

Almost surely, 2^381935233 is an apocalyptic number.

It is an amenable number.

381935233 is a deficient number, since it is larger than the sum of its proper divisors (1).

381935233 is an equidigital number, since it uses as much as digits as its factorization.

381935233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 381935233 is about 19543.1633314569. The cubic root of 381935233 is about 725.5431414722.

The spelling of 381935233 in words is "three hundred eighty-one million, nine hundred thirty-five thousand, two hundred thirty-three".