320543241 has 4 divisors (see below), whose sum is σ = 427390992. Its totient is φ = 213695492.

The previous prime is 320543239. The next prime is 320543257. The reversal of 320543241 is 142345023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320543241 - 2¹ = 320543239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320543221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53423871 + ... + 53423876.

It is an arithmetic number, because the mean of its divisors is an integer number (106847748).

Almost surely, 2^320543241 is an apocalyptic number.

It is an amenable number.

320543241 is a deficient number, since it is larger than the sum of its proper divisors (106847751).

320543241 is a wasteful number, since it uses less digits than its factorization.

320543241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106847750.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 320543241 is about 17903.7214287980. The cubic root of 320543241 is about 684.3772136206.

Adding to 320543241 its reverse (142345023), we get a palindrome (462888264).

The spelling of 320543241 in words is "three hundred twenty million, five hundred forty-three thousand, two hundred forty-one".