3925580881 has 2 divisors, whose sum is σ = 3925580882. Its totient is φ = 3925580880.

The previous prime is 3925580873. The next prime is 3925580929. The reversal of 3925580881 is 1880855293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3893760000 + 31820881 = 62400^2 + 5641^2 .

It is a cyclic number.

It is not a de Polignac number, because 3925580881 - 2³ = 3925580873 is a prime.

It is a super-2 number, since 2×3925580881² = 30820370506545472322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3925580831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962790440 + 1962790441.

It is an arithmetic number, because the mean of its divisors is an integer number (1962790441).

Almost surely, 2^3925580881 is an apocalyptic number.

It is an amenable number.

3925580881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925580881 is an equidigital number, since it uses as much as digits as its factorization.

3925580881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 49.

The square root of 3925580881 is about 62654.4561942724. The cubic root of 3925580881 is about 1577.4949462995.

The spelling of 3925580881 in words is "three billion, nine hundred twenty-five million, five hundred eighty thousand, eight hundred eighty-one".