3815125 has 16 divisors (see below), whose sum is σ = 4972032. Its totient is φ = 2917200.

The previous prime is 3815111. The next prime is 3815159. The reversal of 3815125 is 5215183.

It is a happy number.

It is not a de Polignac number, because 3815125 - 2⁷ = 3814997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3815125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212 + ... + 3538.

It is an arithmetic number, because the mean of its divisors is an integer number (310752).

Almost surely, 2^3815125 is an apocalyptic number.

It is an amenable number.

3815125 is a deficient number, since it is larger than the sum of its proper divisors (1156907).

3815125 is a wasteful number, since it uses less digits than its factorization.

3815125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1355 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 3815125 is about 1953.2344969307. The cubic root of 3815125 is about 156.2558397817.

The spelling of 3815125 in words is "three million, eight hundred fifteen thousand, one hundred twenty-five".