3320081285 has 4 divisors (see below), whose sum is σ = 3984097548. Its totient is φ = 2656065024.

The previous prime is 3320081273. The next prime is 3320081287. The reversal of 3320081285 is 5821800233.

3320081285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1041546529 + 2278534756 = 32273^2 + 47734^2 .

It is a cyclic number.

It is not a de Polignac number, because 3320081285 - 2²⁸ = 3051645829 is a prime.

It is a super-2 number, since 2×3320081285² = 22045879478014502450, 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 (3320081287) 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, 332008124 + ... + 332008133.

It is an arithmetic number, because the mean of its divisors is an integer number (996024387).

Almost surely, 2^3320081285 is an apocalyptic number.

It is an amenable number.

3320081285 is a deficient number, since it is larger than the sum of its proper divisors (664016263).

3320081285 is an equidigital number, since it uses as much as digits as its factorization.

3320081285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664016262.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3320081285 is about 57620.1465201192. The cubic root of 3320081285 is about 1491.8193599331.

The spelling of 3320081285 in words is "three billion, three hundred twenty million, eighty-one thousand, two hundred eighty-five".