3321522013 has 4 divisors (see below), whose sum is σ = 3330061020. Its totient is φ = 3312983008.

The previous prime is 3321521933. The next prime is 3321522019. The reversal of 3321522013 is 3102251233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1036968804 + 2284553209 = 32202^2 + 47797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321522013 is a prime.

It is a super-2 number, since 2×3321522013² = 22065016965687144338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321522019) 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, 4268920 + ... + 4269697.

It is an arithmetic number, because the mean of its divisors is an integer number (832515255).

Almost surely, 2^3321522013 is an apocalyptic number.

It is an amenable number.

3321522013 is a deficient number, since it is larger than the sum of its proper divisors (8539007).

3321522013 is an equidigital number, since it uses as much as digits as its factorization.

3321522013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539006.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3321522013 is about 57632.6471108173. The cubic root of 3321522013 is about 1492.0351172114.

Adding to 3321522013 its reverse (3102251233), we get a palindrome (6423773246).

The spelling of 3321522013 in words is "three billion, three hundred twenty-one million, five hundred twenty-two thousand, thirteen".