3521552 has 20 divisors (see below), whose sum is σ = 6902460. Its totient is φ = 1740288.

The previous prime is 3521543. The next prime is 3521561. The reversal of 3521552 is 2551253.

It is an interprime number because it is at equal distance from previous prime (3521543) and next prime (3521561).

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 1893376 = 1276^2 + 1376^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 2660.

It is an arithmetic number, because the mean of its divisors is an integer number (345123).

Almost surely, 2^3521552 is an apocalyptic number.

It is an amenable number.

3521552 is a deficient number, since it is larger than the sum of its proper divisors (3380908).

3521552 is a wasteful number, since it uses less digits than its factorization.

3521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570 (or 2564 counting only the distinct ones).

The product of its digits is 1500, while the sum is 23.

The square root of 3521552 is about 1876.5798677381. The cubic root of 3521552 is about 152.1404518963.

Subtracting from 3521552 its reverse (2551253), we obtain a cube (970299 = 99³).

The spelling of 3521552 in words is "three million, five hundred twenty-one thousand, five hundred fifty-two".