3881539225 has 24 divisors (see below), whose sum is σ = 5034142080. Its totient is φ = 2963262720.

The previous prime is 3881539223. The next prime is 3881539243. The reversal of 3881539225 is 5229351883.

It is not a de Polignac number, because 3881539225 - 2¹ = 3881539223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3881539223) 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 in 23 ways as a sum of consecutive naturals, for example, 244737 + ... + 260113.

It is an arithmetic number, because the mean of its divisors is an integer number (209755920).

Almost surely, 2^3881539225 is an apocalyptic number.

It is an amenable number.

3881539225 is a deficient number, since it is larger than the sum of its proper divisors (1152602855).

3881539225 is a wasteful number, since it uses less digits than its factorization.

3881539225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15849 (or 15844 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 3881539225 is about 62302.0001685339. Note that the first 3 decimals coincide. The cubic root of 3881539225 is about 1571.5733649246.

The spelling of 3881539225 in words is "three billion, eight hundred eighty-one million, five hundred thirty-nine thousand, two hundred twenty-five".