325221250 has 40 divisors (see below), whose sum is σ = 621223020. Its totient is φ = 127608000.

The previous prime is 325221241. The next prime is 325221277. The reversal of 325221250 is 52122523.

It can be written as a sum of positive squares in 10 ways, for example, as 10478169 + 314743081 = 3237^2 + 17741^2 .

It is a super-2 number, since 2×325221250² = 211537722903125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63796 + ... + 68704.

Almost surely, 2^325221250 is an apocalyptic number.

325221250 is a deficient number, since it is larger than the sum of its proper divisors (296001770).

325221250 is an equidigital number, since it uses as much as digits as its factorization.

325221250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 325221250 is about 18033.8917042329. The cubic root of 325221250 is about 687.6904155756.

Adding to 325221250 its reverse (52122523), we get a palindrome (377343773).

The spelling of 325221250 in words is "three hundred twenty-five million, two hundred twenty-one thousand, two hundred fifty".