321125352 has 64 divisors (see below), whose sum is σ = 834624000. Its totient is φ = 102837504.

The previous prime is 321125341. The next prime is 321125369. The reversal of 321125352 is 253521123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 154174 + ... + 156242.

It is an arithmetic number, because the mean of its divisors is an integer number (13041000).

Almost surely, 2^321125352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321125352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417312000).

321125352 is an abundant number, since it is smaller than the sum of its proper divisors (513498648).

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

321125352 is a wasteful number, since it uses less digits than its factorization.

321125352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2326 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 321125352 is about 17919.9707589047. The cubic root of 321125352 is about 684.7912426185.

Adding to 321125352 its reverse (253521123), we get a palindrome (574646475).

The spelling of 321125352 in words is "three hundred twenty-one million, one hundred twenty-five thousand, three hundred fifty-two".