3805425 has 36 divisors (see below), whose sum is σ = 7345884. Its totient is φ = 1872000.

The previous prime is 3805393. The next prime is 3805463. The reversal of 3805425 is 5245083.

3805425 = 251² + 252² + ... + 300².

It can be written as a sum of positive squares in 6 ways, for example, as 1617984 + 2187441 = 1272^2 + 1479^2 .

It is not a de Polignac number, because 3805425 - 2⁵ = 3805393 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2275 + ... + 3575.

Almost surely, 2^3805425 is an apocalyptic number.

It is an amenable number.

3805425 is a deficient number, since it is larger than the sum of its proper divisors (3540459).

3805425 is a wasteful number, since it uses less digits than its factorization.

3805425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3805425 is about 1950.7498558247. The cubic root of 3805425 is about 156.1232999559.

The spelling of 3805425 in words is "three million, eight hundred five thousand, four hundred twenty-five".