3581522 has 16 divisors (see below), whose sum is σ = 6198720. Its totient is φ = 1520208.

The previous prime is 3581521. The next prime is 3581549. The reversal of 3581522 is 2251853.

3581522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 5² + 8⁵ + 1 + 5⁹ + 2⁸ + 2¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 3581491 and 3581500.

It is not an unprimeable number, because it can be changed into a prime (3581521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 353 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (387420).

Almost surely, 2^3581522 is an apocalyptic number.

3581522 is a deficient number, since it is larger than the sum of its proper divisors (2617198).

3581522 is a wasteful number, since it uses less digits than its factorization.

3581522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 2400, while the sum is 26.

The square root of 3581522 is about 1892.4909511012. The cubic root of 3581522 is about 152.9992168214. Note that the first 3 decimals are identical.

The spelling of 3581522 in words is "three million, five hundred eighty-one thousand, five hundred twenty-two".