381055033 has 2 divisors, whose sum is σ = 381055034. Its totient is φ = 381055032.

The previous prime is 381055009. The next prime is 381055049. The reversal of 381055033 is 330550183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218951209 + 162103824 = 14797^2 + 12732^2 .

It is a cyclic number.

It is not a de Polignac number, because 381055033 - 2²¹ = 378957881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381054992 and 381055010.

It is not a weakly prime, because it can be changed into another prime (381055093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190527516 + 190527517.

It is an arithmetic number, because the mean of its divisors is an integer number (190527517).

Almost surely, 2^381055033 is an apocalyptic number.

It is an amenable number.

381055033 is a deficient number, since it is larger than the sum of its proper divisors (1).

381055033 is an equidigital number, since it uses as much as digits as its factorization.

381055033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 381055033 is about 19520.6309580403. The cubic root of 381055033 is about 724.9853555504.

The spelling of 381055033 in words is "three hundred eighty-one million, fifty-five thousand, thirty-three".