320850449 has 2 divisors, whose sum is σ = 320850450. Its totient is φ = 320850448.

The previous prime is 320850419. The next prime is 320850451. The reversal of 320850449 is 944058023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284934400 + 35916049 = 16880^2 + 5993^2 .

It is a cyclic number.

It is not a de Polignac number, because 320850449 - 2¹⁶ = 320784913 is a prime.

Together with 320850451, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_17318708 and since 320850449 and 17318708 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (320850419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160425224 + 160425225.

It is an arithmetic number, because the mean of its divisors is an integer number (160425225).

Almost surely, 2^320850449 is an apocalyptic number.

It is an amenable number.

320850449 is a deficient number, since it is larger than the sum of its proper divisors (1).

320850449 is an equidigital number, since it uses as much as digits as its factorization.

320850449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 320850449 is about 17912.2988195262. The cubic root of 320850449 is about 684.5957790614.

The spelling of 320850449 in words is "three hundred twenty million, eight hundred fifty thousand, four hundred forty-nine".