3225731289 has 16 divisors (see below), whose sum is σ = 4938919680. Its totient is φ = 1852094160.

The previous prime is 3225731287. The next prime is 3225731291. The reversal of 3225731289 is 9821375223.

It is an interprime number because it is at equal distance from previous prime (3225731287) and next prime (3225731291).

It is not a de Polignac number, because 3225731289 - 2¹ = 3225731287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3225731289.

It is not an unprimeable number, because it can be changed into a prime (3225731287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571727 + ... + 2572980.

It is an arithmetic number, because the mean of its divisors is an integer number (308682480).

Almost surely, 2^3225731289 is an apocalyptic number.

It is an amenable number.

3225731289 is a deficient number, since it is larger than the sum of its proper divisors (1713188391).

3225731289 is a wasteful number, since it uses less digits than its factorization.

3225731289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144740.

The product of its digits is 181440, while the sum is 42.

The square root of 3225731289 is about 56795.5217336719. The cubic root of 3225731289 is about 1477.5518463488.

It can be divided in two parts, 32257 and 31289, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 3225731289 in words is "three billion, two hundred twenty-five million, seven hundred thirty-one thousand, two hundred eighty-nine".