3875681251 has 16 divisors (see below), whose sum is σ = 4287931200. Its totient is φ = 3480238080.

The previous prime is 3875681221. The next prime is 3875681363. The reversal of 3875681251 is 1521865783.

3875681251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3875681251 - 2¹⁷ = 3875550179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3875681221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177850 + ... + 198448.

It is an arithmetic number, because the mean of its divisors is an integer number (267995700).

Almost surely, 2^3875681251 is an apocalyptic number.

3875681251 is a deficient number, since it is larger than the sum of its proper divisors (412249949).

3875681251 is a wasteful number, since it uses less digits than its factorization.

3875681251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006.

The product of its digits is 403200, while the sum is 46.

The square root of 3875681251 is about 62254.9696891742. The cubic root of 3875681251 is about 1570.7823667682.

The spelling of 3875681251 in words is "three billion, eight hundred seventy-five million, six hundred eighty-one thousand, two hundred fifty-one".