320573252 has 12 divisors (see below), whose sum is σ = 562613100. Its totient is φ = 159826656.

The previous prime is 320573249. The next prime is 320573261. The reversal of 320573252 is 252375023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 292546816 + 28026436 = 17104^2 + 5294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113423 + ... + 116214.

It is an arithmetic number, because the mean of its divisors is an integer number (46884425).

Almost surely, 2^320573252 is an apocalyptic number.

It is an amenable number.

320573252 is a deficient number, since it is larger than the sum of its proper divisors (242039848).

320573252 is a wasteful number, since it uses less digits than its factorization.

320573252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229990 (or 229988 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 320573252 is about 17904.5595310245. The cubic root of 320573252 is about 684.3985713252.

The spelling of 320573252 in words is "three hundred twenty million, five hundred seventy-three thousand, two hundred fifty-two".