3521020532 has 12 divisors (see below), whose sum is σ = 6170084256. Its totient is φ = 1758139320.

The previous prime is 3521020523. The next prime is 3521020543. The reversal of 3521020532 is 2350201253.

3521020532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3521020498 and 3521020507.

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, 589394 + ... + 595337.

It is an arithmetic number, because the mean of its divisors is an integer number (514173688).

Almost surely, 2^3521020532 is an apocalyptic number.

It is an amenable number.

3521020532 is a deficient number, since it is larger than the sum of its proper divisors (2649063724).

3521020532 is a wasteful number, since it uses less digits than its factorization.

3521020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185478 (or 1185476 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3521020532 is about 59338.1878051563. The cubic root of 3521020532 is about 1521.3279789891.

Adding to 3521020532 its reverse (2350201253), we get a palindrome (5871221785).

The spelling of 3521020532 in words is "three billion, five hundred twenty-one million, twenty thousand, five hundred thirty-two".