380204081 has 2 divisors, whose sum is σ = 380204082. Its totient is φ = 380204080.

The previous prime is 380204047. The next prime is 380204089. The reversal of 380204081 is 180402083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317160481 + 63043600 = 17809^2 + 7940^2 .

It is a cyclic number.

It is not a de Polignac number, because 380204081 - 2¹⁴ = 380187697 is a prime.

It is a super-2 number, since 2×380204081² = 289110286418109122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380204081.

It is not a weakly prime, because it can be changed into another prime (380204089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190102040 + 190102041.

It is an arithmetic number, because the mean of its divisors is an integer number (190102041).

Almost surely, 2^380204081 is an apocalyptic number.

It is an amenable number.

380204081 is a deficient number, since it is larger than the sum of its proper divisors (1).

380204081 is an equidigital number, since it uses as much as digits as its factorization.

380204081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 380204081 is about 19498.8225541954. The cubic root of 380204081 is about 724.4452869815.

The spelling of 380204081 in words is "three hundred eighty million, two hundred four thousand, eighty-one".