3881060581 has 2 divisors, whose sum is σ = 3881060582. Its totient is φ = 3881060580.

The previous prime is 3881060569. The next prime is 3881060587. The reversal of 3881060581 is 1850601883.

3881060581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3500615556 + 380445025 = 59166^2 + 19505^2 .

It is a cyclic number.

It is not a de Polignac number, because 3881060581 - 2⁷ = 3881060453 is a prime.

It is a super-2 number, since 2×3881060581² = 30125262466784115122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3881060587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940530290 + 1940530291.

It is an arithmetic number, because the mean of its divisors is an integer number (1940530291).

Almost surely, 2^3881060581 is an apocalyptic number.

It is an amenable number.

3881060581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3881060581 is an equidigital number, since it uses as much as digits as its factorization.

3881060581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 3881060581 is about 62298.1587288100. The cubic root of 3881060581 is about 1571.5087638269.

The spelling of 3881060581 in words is "three billion, eight hundred eighty-one million, sixty thousand, five hundred eighty-one".