3521403321 has 4 divisors (see below), whose sum is σ = 4695204432. Its totient is φ = 2347602212.

The previous prime is 3521403317. The next prime is 3521403371. The reversal of 3521403321 is 1233041253.

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 not a de Polignac number, because 3521403321 - 2² = 3521403317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3521403291 and 3521403300.

It is not an unprimeable number, because it can be changed into a prime (3521403371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586900551 + ... + 586900556.

It is an arithmetic number, because the mean of its divisors is an integer number (1173801108).

Almost surely, 2^3521403321 is an apocalyptic number.

It is an amenable number.

3521403321 is a deficient number, since it is larger than the sum of its proper divisors (1173801111).

3521403321 is a wasteful number, since it uses less digits than its factorization.

3521403321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173801110.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3521403321 is about 59341.4132035967. The cubic root of 3521403321 is about 1521.3831075623.

Adding to 3521403321 its reverse (1233041253), we get a palindrome (4754444574).

The spelling of 3521403321 in words is "three billion, five hundred twenty-one million, four hundred three thousand, three hundred twenty-one".