381383201 has 2 divisors, whose sum is σ = 381383202. Its totient is φ = 381383200.

The previous prime is 381383183. The next prime is 381383209. The reversal of 381383201 is 102383183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256480225 + 124902976 = 16015^2 + 11176^2 .

It is a cyclic number.

It is not a de Polignac number, because 381383201 - 2⁶ = 381383137 is a prime.

It is not a weakly prime, because it can be changed into another prime (381383209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190691600 + 190691601.

It is an arithmetic number, because the mean of its divisors is an integer number (190691601).

Almost surely, 2^381383201 is an apocalyptic number.

It is an amenable number.

381383201 is a deficient number, since it is larger than the sum of its proper divisors (1).

381383201 is an equidigital number, since it uses as much as digits as its factorization.

381383201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 381383201 is about 19529.0348199802. The cubic root of 381383201 is about 725.1934171229.

The spelling of 381383201 in words is "three hundred eighty-one million, three hundred eighty-three thousand, two hundred one".