3528245 has 12 divisors (see below), whose sum is σ = 4925484. Its totient is φ = 2419200.

The previous prime is 3528241. The next prime is 3528251. The reversal of 3528245 is 5428253.

3528245 = 76² + 77² + ... + 222².

It can be written as a sum of positive squares in 2 ways, for example, as 2798929 + 729316 = 1673^2 + 854^2 .

It is not a de Polignac number, because 3528245 - 2² = 3528241 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3⁷ + 5 + 2¹⁸ + 8² + 2²⁰ + 4⁹ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528241) 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, 6956 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (410457).

Almost surely, 2^3528245 is an apocalyptic number.

3528245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3528245 is a deficient number, since it is larger than the sum of its proper divisors (1397239).

3528245 is a wasteful number, since it uses less digits than its factorization.

3528245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14420 (or 14413 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 3528245 is about 1878.3623186169. The cubic root of 3528245 is about 152.2367760567.

It can be divided in two parts, 3528 and 245, that added together give a palindrome (3773).

The spelling of 3528245 in words is "three million, five hundred twenty-eight thousand, two hundred forty-five".