3281225000 has 48 divisors (see below), whose sum is σ = 7689937500. Its totient is φ = 1312480000.

The previous prime is 3281224979. The next prime is 3281225021. The reversal of 3281225000 is 5221823.

It is an interprime number because it is at equal distance from previous prime (3281224979) and next prime (3281225021).

It can be written as a sum of positive squares in 6 ways, for example, as 437562724 + 2843662276 = 20918^2 + 53326^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40625 + ... + 90624.

Almost surely, 2^3281225000 is an apocalyptic number.

It is an amenable number.

3281225000 is an abundant number, since it is smaller than the sum of its proper divisors (4408712500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3281225000 is an equidigital number, since it uses as much as digits as its factorization.

3281225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131280 (or 131256 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3281225000 is about 57281.9779686421. The cubic root of 3281225000 is about 1485.9767142625.

Adding to 3281225000 its reverse (5221823), we get a palindrome (3286446823).

The spelling of 3281225000 in words is "three billion, two hundred eighty-one million, two hundred twenty-five thousand".