3283640325 has 144 divisors (see below), whose sum is σ = 7124008320. Its totient is φ = 1412328960.

The previous prime is 3283640317. The next prime is 3283640377. The reversal of 3283640325 is 5230463823.

It is a happy number.

3283640325 is a `hidden beast` number, since 3 + 2 + 8 + 3 + 640 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 3283640325 - 2³ = 3283640317 is a prime.

It is a super-2 number, since 2×3283640325² = 21564587567932211250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3283640325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5894947 + ... + 5895503.

It is an arithmetic number, because the mean of its divisors is an integer number (49472280).

Almost surely, 2^3283640325 is an apocalyptic number.

3283640325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3283640325 is an abundant number, since it is smaller than the sum of its proper divisors (3840367995).

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

3283640325 is a wasteful number, since it uses less digits than its factorization.

3283640325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3283640325 is about 57303.0568556338. The cubic root of 3283640325 is about 1486.3412362944.

The spelling of 3283640325 in words is "three billion, two hundred eighty-three million, six hundred forty thousand, three hundred twenty-five".