320433041 has 2 divisors, whose sum is σ = 320433042. Its totient is φ = 320433040.

The previous prime is 320433031. The next prime is 320433049. The reversal of 320433041 is 140334023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319658641 + 774400 = 17879^2 + 880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320433041 is a prime.

It is not a weakly prime, because it can be changed into another prime (320433049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160216520 + 160216521.

It is an arithmetic number, because the mean of its divisors is an integer number (160216521).

Almost surely, 2^320433041 is an apocalyptic number.

It is an amenable number.

320433041 is a deficient number, since it is larger than the sum of its proper divisors (1).

320433041 is an equidigital number, since it uses as much as digits as its factorization.

320433041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320433041 is about 17900.6435917818. The cubic root of 320433041 is about 684.2987769713.

Adding to 320433041 its reverse (140334023), we get a palindrome (460767064).

The spelling of 320433041 in words is "three hundred twenty million, four hundred thirty-three thousand, forty-one".