321883225 has 12 divisors (see below), whose sum is σ = 401167404. Its totient is φ = 256195520.

The previous prime is 321883223. The next prime is 321883241. The reversal of 321883225 is 522388123.

It can be written as a sum of positive squares in 6 ways, for example, as 63059481 + 258823744 = 7941^2 + 16088^2 .

It is not a de Polignac number, because 321883225 - 2¹ = 321883223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321883223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27754 + ... + 37603.

It is an arithmetic number, because the mean of its divisors is an integer number (33430617).

Almost surely, 2^321883225 is an apocalyptic number.

It is an amenable number.

321883225 is a deficient number, since it is larger than the sum of its proper divisors (79284179).

321883225 is a wasteful number, since it uses less digits than its factorization.

321883225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65564 (or 65559 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 321883225 is about 17941.1043417065. The cubic root of 321883225 is about 685.3295340233.

The spelling of 321883225 in words is "three hundred twenty-one million, eight hundred eighty-three thousand, two hundred twenty-five".