3520421033 has 8 divisors (see below), whose sum is σ = 3549882336. Its totient is φ = 3490999200.

The previous prime is 3520421011. The next prime is 3520421053. The reversal of 3520421033 is 3301240253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3520421033 - 2⁸ = 3520420777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520421053) 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 7 ways as a sum of consecutive naturals, for example, 185213 + ... + 203333.

It is an arithmetic number, because the mean of its divisors is an integer number (443735292).

Almost surely, 2^3520421033 is an apocalyptic number.

It is an amenable number.

3520421033 is a deficient number, since it is larger than the sum of its proper divisors (29461303).

3520421033 is a wasteful number, since it uses less digits than its factorization.

3520421033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19735.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3520421033 is about 59333.1360455522. The cubic root of 3520421033 is about 1521.2416322079.

Adding to 3520421033 its reverse (3301240253), we get a palindrome (6821661286).

The spelling of 3520421033 in words is "three billion, five hundred twenty million, four hundred twenty-one thousand, thirty-three".