325003220 has 12 divisors (see below), whose sum is σ = 682506804. Its totient is φ = 130001280.

The previous prime is 325003219. The next prime is 325003223. The reversal of 325003220 is 22300523.

It can be written as a sum of positive squares in 2 ways, for example, as 91891396 + 233111824 = 9586^2 + 15268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325003223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8125061 + ... + 8125100.

It is an arithmetic number, because the mean of its divisors is an integer number (56875567).

Almost surely, 2^325003220 is an apocalyptic number.

It is an amenable number.

325003220 is an abundant number, since it is smaller than the sum of its proper divisors (357503584).

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

325003220 is a wasteful number, since it uses less digits than its factorization.

325003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16250170 (or 16250168 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 325003220 is about 18027.8456838303. The cubic root of 325003220 is about 687.5367041561.

Adding to 325003220 its reverse (22300523), we get a palindrome (347303743).

The spelling of 325003220 in words is "three hundred twenty-five million, three thousand, two hundred twenty".