323017225 has 12 divisors (see below), whose sum is σ = 414354060. Its totient is φ = 249502400.

The previous prime is 323017217. The next prime is 323017243. The reversal of 323017225 is 522710323.

It can be written as a sum of positive squares in 6 ways, for example, as 7706176 + 315311049 = 2776^2 + 17757^2 .

It is not a de Polignac number, because 323017225 - 2³ = 323017217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 323017225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 222046 + ... + 223495.

It is an arithmetic number, because the mean of its divisors is an integer number (34529505).

Almost surely, 2^323017225 is an apocalyptic number.

It is an amenable number.

323017225 is a deficient number, since it is larger than the sum of its proper divisors (91336835).

323017225 is a wasteful number, since it uses less digits than its factorization.

323017225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445580 (or 445575 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 323017225 is about 17972.6799615416. The cubic root of 323017225 is about 686.1333998974.

Adding to 323017225 its reverse (522710323), we get a palindrome (845727548).

The spelling of 323017225 in words is "three hundred twenty-three million, seventeen thousand, two hundred twenty-five".