3680081 has 2 divisors, whose sum is σ = 3680082. Its totient is φ = 3680080.

The previous prime is 3680059. The next prime is 3680093. The reversal of 3680081 is 1800863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 9025 = 1916^2 + 95^2 .

It is an emirp because it is prime and its reverse (1800863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3680081 - 2¹⁸ = 3417937 is a prime.

It is a super-2 number, since 2×3680081² = 27085992333122, 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 3680081.

It is not a weakly prime, because it can be changed into another prime (3680011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840040 + 1840041.

It is an arithmetic number, because the mean of its divisors is an integer number (1840041).

Almost surely, 2^3680081 is an apocalyptic number.

It is an amenable number.

3680081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3680081 is an equidigital number, since it uses as much as digits as its factorization.

3680081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 3680081 is about 1918.3537212933. The cubic root of 3680081 is about 154.3899853232.

The spelling of 3680081 in words is "three million, six hundred eighty thousand, eighty-one".