3851215225 has 96 divisors (see below), whose sum is σ = 5870874240. Its totient is φ = 2488147200.

The previous prime is 3851215213. The next prime is 3851215259. The reversal of 3851215225 is 5225121583.

It is not a de Polignac number, because 3851215225 - 2⁷ = 3851215097 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 12544522 + ... + 12544828.

It is an arithmetic number, because the mean of its divisors is an integer number (61154940).

Almost surely, 2^3851215225 is an apocalyptic number.

It is an amenable number.

3851215225 is a deficient number, since it is larger than the sum of its proper divisors (2019659015).

3851215225 is a wasteful number, since it uses less digits than its factorization.

3851215225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 365 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 3851215225 is about 62058.1600194527. The cubic root of 3851215225 is about 1567.4700927914.

The spelling of 3851215225 in words is "three billion, eight hundred fifty-one million, two hundred fifteen thousand, two hundred twenty-five".