3521564 has 12 divisors (see below), whose sum is σ = 6176184. Its totient is φ = 1756944.

The previous prime is 3521561. The next prime is 3521627. The reversal of 3521564 is 4651253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (514682).

Almost surely, 2^3521564 is an apocalyptic number.

It is an amenable number.

3521564 is a deficient number, since it is larger than the sum of its proper divisors (2654620).

3521564 is a wasteful number, since it uses less digits than its factorization.

3521564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1922 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 3521564 is about 1876.5830650414. The cubic root of 3521564 is about 152.1406247068.

The spelling of 3521564 in words is "three million, five hundred twenty-one thousand, five hundred sixty-four".