320441252 has 12 divisors (see below), whose sum is σ = 565917660. Its totient is φ = 158750496.

The previous prime is 320441249. The next prime is 320441257. The reversal of 320441252 is 252144023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 215091556 + 105349696 = 14666^2 + 10264^2 .

It is not an unprimeable number, because it can be changed into a prime (320441257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367043 + ... + 367914.

It is an arithmetic number, because the mean of its divisors is an integer number (47159805).

Almost surely, 2^320441252 is an apocalyptic number.

It is an amenable number.

320441252 is a deficient number, since it is larger than the sum of its proper divisors (245476408).

320441252 is a wasteful number, since it uses less digits than its factorization.

320441252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735070 (or 735068 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 320441252 is about 17900.8729396083. The cubic root of 320441252 is about 684.3046219046.

Adding to 320441252 its reverse (252144023), we get a palindrome (572585275).

The spelling of 320441252 in words is "three hundred twenty million, four hundred forty-one thousand, two hundred fifty-two".