3851425 has 6 divisors (see below), whose sum is σ = 4775798. Its totient is φ = 3081120.

The previous prime is 3851423. The next prime is 3851429. The reversal of 3851425 is 5241583.

It can be written as a sum of positive squares in 3 ways, for example, as 76176 + 3775249 = 276^2 + 1943^2 .

It is not a de Polignac number, because 3851425 - 2¹ = 3851423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3851393 and 3851402.

It is not an unprimeable number, because it can be changed into a prime (3851423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77004 + ... + 77053.

Almost surely, 2^3851425 is an apocalyptic number.

It is an amenable number.

3851425 is a deficient number, since it is larger than the sum of its proper divisors (924373).

3851425 is a wasteful number, since it uses less digits than its factorization.

3851425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154067 (or 154062 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 3851425 is about 1962.5047770642. The cubic root of 3851425 is about 156.7498552213.

The spelling of 3851425 in words is "three million, eight hundred fifty-one thousand, four hundred twenty-five".