3579521 has 4 divisors (see below), whose sum is σ = 3904944. Its totient is φ = 3254100.

The previous prime is 3579509. The next prime is 3579523. The reversal of 3579521 is 1259753.

3579521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3579521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3579523) 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 3 ways as a sum of consecutive naturals, for example, 162695 + ... + 162716.

It is an arithmetic number, because the mean of its divisors is an integer number (976236).

Almost surely, 2^3579521 is an apocalyptic number.

It is an amenable number.

3579521 is a deficient number, since it is larger than the sum of its proper divisors (325423).

3579521 is a wasteful number, since it uses less digits than its factorization.

3579521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325422.

The product of its digits is 9450, while the sum is 32.

The square root of 3579521 is about 1891.9622089249. The cubic root of 3579521 is about 152.9707179071.

The spelling of 3579521 in words is "three million, five hundred seventy-nine thousand, five hundred twenty-one".