320993275 has 12 divisors (see below), whose sum is σ = 398776312. Its totient is φ = 256314240.

The previous prime is 320993219. The next prime is 320993279. The reversal of 320993275 is 572399023.

It is a happy number.

It is not a de Polignac number, because 320993275 - 2¹⁹ = 320468987 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320993279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939 + ... + 25411.

Almost surely, 2^320993275 is an apocalyptic number.

320993275 is a deficient number, since it is larger than the sum of its proper divisors (77783037).

320993275 is a wasteful number, since it uses less digits than its factorization.

320993275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24030 (or 24025 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 320993275 is about 17916.2851897373. The cubic root of 320993275 is about 684.6973461851.

The spelling of 320993275 in words is "three hundred twenty million, nine hundred ninety-three thousand, two hundred seventy-five".