8320051 has 2 divisors, whose sum is σ = 8320052. Its totient is φ = 8320050.

The previous prime is 8320033. The next prime is 8320057. The reversal of 8320051 is 1500238.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8320051 - 2⁷ = 8319923 is a prime.

It is not a weakly prime, because it can be changed into another prime (8320057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160025 + 4160026.

It is an arithmetic number, because the mean of its divisors is an integer number (4160026).

Almost surely, 2^8320051 is an apocalyptic number.

8320051 is a deficient number, since it is larger than the sum of its proper divisors (1).

8320051 is an equidigital number, since it uses as much as digits as its factorization.

8320051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 8320051 is about 2884.4498608920. The cubic root of 8320051 is about 202.6322947947.

Adding to 8320051 its reverse (1500238), we get a palindrome (9820289).

The spelling of 8320051 in words is "eight million, three hundred twenty thousand, fifty-one".