3321565061 has 2 divisors, whose sum is σ = 3321565062. Its totient is φ = 3321565060.

The previous prime is 3321565007. The next prime is 3321565087. The reversal of 3321565061 is 1605651233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2373540961 + 948024100 = 48719^2 + 30790^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321565061 - 2⁶ = 3321564997 is a prime.

It is a super-2 number, since 2×3321565061² = 22065588908911867442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321565001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660782530 + 1660782531.

It is an arithmetic number, because the mean of its divisors is an integer number (1660782531).

Almost surely, 2^3321565061 is an apocalyptic number.

It is an amenable number.

3321565061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321565061 is an equidigital number, since it uses as much as digits as its factorization.

3321565061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3321565061 is about 57633.0205784843. The cubic root of 3321565061 is about 1492.0415629362.

The spelling of 3321565061 in words is "three billion, three hundred twenty-one million, five hundred sixty-five thousand, sixty-one".