3281425385 has 24 divisors (see below), whose sum is σ = 4593846600. Its totient is φ = 2243614464.

The previous prime is 3281425373. The next prime is 3281425439. The reversal of 3281425385 is 5835241823.

It can be written as a sum of positive squares in 4 ways, for example, as 15531481 + 3265893904 = 3941^2 + 57148^2 .

It is not a de Polignac number, because 3281425385 - 2⁶ = 3281425321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66317 + ... + 104693.

It is an arithmetic number, because the mean of its divisors is an integer number (191410275).

Almost surely, 2^3281425385 is an apocalyptic number.

3281425385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3281425385 is a deficient number, since it is larger than the sum of its proper divisors (1312421215).

3281425385 is a wasteful number, since it uses less digits than its factorization.

3281425385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38745 (or 38738 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 3281425385 is about 57283.7270522790. The cubic root of 3281425385 is about 1486.0069632683.

The spelling of 3281425385 in words is "three billion, two hundred eighty-one million, four hundred twenty-five thousand, three hundred eighty-five".