3809525 has 6 divisors (see below), whose sum is σ = 4723842. Its totient is φ = 3047600.

The previous prime is 3809503. The next prime is 3809539. The reversal of 3809525 is 5259083.

It is a happy number.

3809525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 69169 + 3740356 = 263^2 + 1934^2 .

It is not a de Polignac number, because 3809525 - 2⁶ = 3809461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3809491 and 3809500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76166 + ... + 76215.

It is an arithmetic number, because the mean of its divisors is an integer number (787307).

Almost surely, 2^3809525 is an apocalyptic number.

It is an amenable number.

3809525 is a deficient number, since it is larger than the sum of its proper divisors (914317).

3809525 is a wasteful number, since it uses less digits than its factorization.

3809525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152391 (or 152386 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 3809525 is about 1951.8004508658. The cubic root of 3809525 is about 156.1793493925.

It can be divided in two parts, 3809 and 525, that added together give a palindrome (4334).

The spelling of 3809525 in words is "three million, eight hundred nine thousand, five hundred twenty-five".