320941249 has 4 divisors (see below), whose sum is σ = 339820164. Its totient is φ = 302062336.

The previous prime is 320941237. The next prime is 320941259. The reversal of 320941249 is 942149023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 209004849 + 111936400 = 14457^2 + 10580^2 .

It is a cyclic number.

It is not a de Polignac number, because 320941249 - 2¹⁷ = 320810177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320941259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9439432 + ... + 9439465.

It is an arithmetic number, because the mean of its divisors is an integer number (84955041).

Almost surely, 2^320941249 is an apocalyptic number.

It is an amenable number.

320941249 is a deficient number, since it is larger than the sum of its proper divisors (18878915).

320941249 is a wasteful number, since it uses less digits than its factorization.

320941249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18878914.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 320941249 is about 17914.8332116155. The cubic root of 320941249 is about 684.6603526906.

The spelling of 320941249 in words is "three hundred twenty million, nine hundred forty-one thousand, two hundred forty-nine".