3218509025 has 12 divisors (see below), whose sum is σ = 4164471552. Its totient is φ = 2462858640.

The previous prime is 3218509013. The next prime is 3218509027. The reversal of 3218509025 is 5209058123.

It is not a de Polignac number, because 3218509025 - 2²⁴ = 3201731809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3218509027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2798129 + ... + 2799278.

It is an arithmetic number, because the mean of its divisors is an integer number (347039296).

Almost surely, 2^3218509025 is an apocalyptic number.

It is an amenable number.

3218509025 is a deficient number, since it is larger than the sum of its proper divisors (945962527).

3218509025 is a wasteful number, since it uses less digits than its factorization.

3218509025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597440 (or 5597435 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 3218509025 is about 56731.9048243579. The cubic root of 3218509025 is about 1476.4482987980.

The spelling of 3218509025 in words is "three billion, two hundred eighteen million, five hundred nine thousand, twenty-five".