320851051 has 2 divisors, whose sum is σ = 320851052. Its totient is φ = 320851050.

The previous prime is 320851021. The next prime is 320851057. The reversal of 320851051 is 150158023.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (150158023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320851051 - 2¹¹ = 320849003 is a prime.

It is not a weakly prime, because it can be changed into another prime (320851057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160425525 + 160425526.

It is an arithmetic number, because the mean of its divisors is an integer number (160425526).

Almost surely, 2^320851051 is an apocalyptic number.

320851051 is a deficient number, since it is larger than the sum of its proper divisors (1).

320851051 is an equidigital number, since it uses as much as digits as its factorization.

320851051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 320851051 is about 17912.3156236149. The cubic root of 320851051 is about 684.5962072218.

The spelling of 320851051 in words is "three hundred twenty million, eight hundred fifty-one thousand, fifty-one".