320540327 has 2 divisors, whose sum is σ = 320540328. Its totient is φ = 320540326.

The previous prime is 320540323. The next prime is 320540357. The reversal of 320540327 is 723045023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320540327 - 2² = 320540323 is a prime.

It is a super-2 number, since 2×320540327² = 205492202466533858, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 320540296 and 320540305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320540323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160270163 + 160270164.

It is an arithmetic number, because the mean of its divisors is an integer number (160270164).

Almost surely, 2^320540327 is an apocalyptic number.

320540327 is a deficient number, since it is larger than the sum of its proper divisors (1).

320540327 is an equidigital number, since it uses as much as digits as its factorization.

320540327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 320540327 is about 17903.6400488839. The cubic root of 320540327 is about 684.3751397649.

The spelling of 320540327 in words is "three hundred twenty million, five hundred forty thousand, three hundred twenty-seven".