320534252 has 12 divisors (see below), whose sum is σ = 593931240. Its totient is φ = 150839616.

The previous prime is 320534251. The next prime is 320534267. The reversal of 320534252 is 252435023.

It is not an unprimeable number, because it can be changed into a prime (320534251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2356802 + ... + 2356937.

It is an arithmetic number, because the mean of its divisors is an integer number (49494270).

Almost surely, 2^320534252 is an apocalyptic number.

It is an amenable number.

320534252 is a deficient number, since it is larger than the sum of its proper divisors (273396988).

320534252 is a wasteful number, since it uses less digits than its factorization.

320534252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713760 (or 4713758 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 320534252 is about 17903.4703898434. The cubic root of 320534252 is about 684.3708162265.

Adding to 320534252 its reverse (252435023), we get a palindrome (572969275).

The spelling of 320534252 in words is "three hundred twenty million, five hundred thirty-four thousand, two hundred fifty-two".