3503825 has 12 divisors (see below), whose sum is σ = 4679388. Its totient is φ = 2587200.

The previous prime is 3503821. The next prime is 3503831. The reversal of 3503825 is 5283053.

It can be written as a sum of positive squares in 6 ways, for example, as 654481 + 2849344 = 809^2 + 1688^2 .

It is not a de Polignac number, because 3503825 - 2² = 3503821 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3503794 and 3503803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3503821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5066 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (389949).

Almost surely, 2^3503825 is an apocalyptic number.

It is an amenable number.

3503825 is a deficient number, since it is larger than the sum of its proper divisors (1175563).

3503825 is a wasteful number, since it uses less digits than its factorization.

3503825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804 (or 10799 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3503825 is about 1871.8506884899. The cubic root of 3503825 is about 151.8847377568.

Adding to 3503825 its reverse (5283053), we get a palindrome (8786878).

The spelling of 3503825 in words is "three million, five hundred three thousand, eight hundred twenty-five".