3861210925 has 24 divisors (see below), whose sum is σ = 5624952480. Its totient is φ = 2592139200.

The previous prime is 3861210893. The next prime is 3861210931. The reversal of 3861210925 is 5290121683.

It is not a de Polignac number, because 3861210925 - 2⁵ = 3861210893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536455 + ... + 543604.

It is an arithmetic number, because the mean of its divisors is an integer number (234373020).

Almost surely, 2^3861210925 is an apocalyptic number.

It is an amenable number.

3861210925 is a deficient number, since it is larger than the sum of its proper divisors (1763741555).

3861210925 is a wasteful number, since it uses less digits than its factorization.

3861210925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080093 (or 1080088 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 3861210925 is about 62138.6427676048. The cubic root of 3861210925 is about 1568.8250265964.

The spelling of 3861210925 in words is "three billion, eight hundred sixty-one million, two hundred ten thousand, nine hundred twenty-five".