320304001 has 2 divisors, whose sum is σ = 320304002. Its totient is φ = 320304000.

The previous prime is 320303993. The next prime is 320304053. The reversal of 320304001 is 100403023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273737025 + 46566976 = 16545^2 + 6824^2 .

It is a cyclic number.

It is not a de Polignac number, because 320304001 - 2³ = 320303993 is a prime.

It is not a weakly prime, because it can be changed into another prime (320301001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160152000 + 160152001.

It is an arithmetic number, because the mean of its divisors is an integer number (160152001).

Almost surely, 2^320304001 is an apocalyptic number.

It is an amenable number.

320304001 is a deficient number, since it is larger than the sum of its proper divisors (1).

320304001 is an equidigital number, since it uses as much as digits as its factorization.

320304001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320304001 is about 17897.0388891571. The cubic root of 320304001 is about 684.2069077831.

Adding to 320304001 its reverse (100403023), we get a palindrome (420707024).

The spelling of 320304001 in words is "three hundred twenty million, three hundred four thousand, one".