3321243005 has 4 divisors (see below), whose sum is σ = 3985491612. Its totient is φ = 2656994400.

The previous prime is 3321242999. The next prime is 3321243031. The reversal of 3321243005 is 5003421233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5003421233 = 523 ⋅9566771.

It can be written as a sum of positive squares in 2 ways, for example, as 2319963556 + 1001279449 = 48166^2 + 31643^2 .

It is not a de Polignac number, because 3321243005 - 2²⁶ = 3254134141 is a prime.

It is a super-2 number, since 2×3321243005² = 22061310196522860050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332124296 + ... + 332124305.

It is an arithmetic number, because the mean of its divisors is an integer number (996372903).

Almost surely, 2^3321243005 is an apocalyptic number.

It is an amenable number.

3321243005 is a deficient number, since it is larger than the sum of its proper divisors (664248607).

3321243005 is an equidigital number, since it uses as much as digits as its factorization.

3321243005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664248606.

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

The square root of 3321243005 is about 57630.2264874953. The cubic root of 3321243005 is about 1491.9933390357.

Adding to 3321243005 its reverse (5003421233), we get a palindrome (8324664238).

The spelling of 3321243005 in words is "three billion, three hundred twenty-one million, two hundred forty-three thousand, five".