3525556 has 12 divisors (see below), whose sum is σ = 6271300. Its totient is φ = 1733760.

The previous prime is 3525553. The next prime is 3525563. The reversal of 3525556 is 6555253.

It can be written as a sum of positive squares in 2 ways, for example, as 1876900 + 1648656 = 1370^2 + 1284^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525551) 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 3 ways as a sum of consecutive naturals, for example, 6981 + ... + 7468.

Almost surely, 2^3525556 is an apocalyptic number.

It is an amenable number.

3525556 is a deficient number, since it is larger than the sum of its proper divisors (2745744).

3525556 is a wasteful number, since it uses less digits than its factorization.

3525556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14514 (or 14512 counting only the distinct ones).

The product of its digits is 22500, while the sum is 31.

The square root of 3525556 is about 1877.6463990858. The cubic root of 3525556 is about 152.1980912212.

The spelling of 3525556 in words is "three million, five hundred twenty-five thousand, five hundred fifty-six".