3782081 has 2 divisors, whose sum is σ = 3782082. Its totient is φ = 3782080.

The previous prime is 3782069. The next prime is 3782087. The reversal of 3782081 is 1802873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 341056 = 1855^2 + 584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3782081 is a prime.

It is a super-2 number, since 2×3782081² = 28608273381122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3782087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1891040 + 1891041.

It is an arithmetic number, because the mean of its divisors is an integer number (1891041).

Almost surely, 2^3782081 is an apocalyptic number.

It is an amenable number.

3782081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3782081 is an equidigital number, since it uses as much as digits as its factorization.

3782081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3782081 is about 1944.7573113373. The cubic root of 3782081 is about 155.8034040024.

The spelling of 3782081 in words is "three million, seven hundred eighty-two thousand, eighty-one".