320574243 has 8 divisors (see below), whose sum is σ = 466289856. Its totient is φ = 194287400.

The previous prime is 320574227. The next prime is 320574257. The reversal of 320574243 is 342475023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320574243 - 2⁴ = 320574227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320574243.

It is not an unprimeable number, because it can be changed into a prime (320572243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4857153 + ... + 4857218.

It is an arithmetic number, because the mean of its divisors is an integer number (58286232).

Almost surely, 2^320574243 is an apocalyptic number.

320574243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320574243 is a deficient number, since it is larger than the sum of its proper divisors (145715613).

320574243 is a wasteful number, since it uses less digits than its factorization.

320574243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714385.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 320574243 is about 17904.5872055180. The cubic root of 320574243 is about 684.3992765601.

The spelling of 320574243 in words is "three hundred twenty million, five hundred seventy-four thousand, two hundred forty-three".