3280002445 has 4 divisors (see below), whose sum is σ = 3936002940. Its totient is φ = 2624001952.

The previous prime is 3280002443. The next prime is 3280002499. The reversal of 3280002445 is 5442000823.

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 1604082601 + 1675919844 = 40051^2 + 40938^2 .

It is a cyclic number.

It is not a de Polignac number, because 3280002445 - 2¹ = 3280002443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280002443) 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, 328000240 + ... + 328000249.

It is an arithmetic number, because the mean of its divisors is an integer number (984000735).

Almost surely, 2^3280002445 is an apocalyptic number.

It is an amenable number.

3280002445 is a deficient number, since it is larger than the sum of its proper divisors (656000495).

3280002445 is an equidigital number, since it uses as much as digits as its factorization.

3280002445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656000494.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 3280002445 is about 57271.3055988773. The cubic root of 3280002445 is about 1485.7921374722.

The spelling of 3280002445 in words is "three billion, two hundred eighty million, two thousand, four hundred forty-five".