3559521 has 8 divisors (see below), whose sum is σ = 5424064. Its totient is φ = 2034000.

The previous prime is 3559519. The next prime is 3559537. The reversal of 3559521 is 1259553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3559521 - 2¹ = 3559519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3559561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84730 + ... + 84771.

It is an arithmetic number, because the mean of its divisors is an integer number (678008).

Almost surely, 2^3559521 is an apocalyptic number.

It is an amenable number.

3559521 is a deficient number, since it is larger than the sum of its proper divisors (1864543).

3559521 is a wasteful number, since it uses less digits than its factorization.

3559521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169511.

The product of its digits is 6750, while the sum is 30.

The square root of 3559521 is about 1886.6692873951. The cubic root of 3559521 is about 152.6852858519.

Subtracting from 3559521 its reverse (1259553), we obtain a cube (2299968 = 132³).

The spelling of 3559521 in words is "three million, five hundred fifty-nine thousand, five hundred twenty-one".