6320999 has 2 divisors, whose sum is σ = 6321000. Its totient is φ = 6320998.

The previous prime is 6320989. The next prime is 6321013. The reversal of 6320999 is 9990236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6320999 - 2¹⁶ = 6255463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6320959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160499 + 3160500.

It is an arithmetic number, because the mean of its divisors is an integer number (3160500).

Almost surely, 2^6320999 is an apocalyptic number.

6320999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6320999 is an equidigital number, since it uses as much as digits as its factorization.

6320999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 6320999 is about 2514.1597005759. The cubic root of 6320999 is about 184.8964504516.

The spelling of 6320999 in words is "six million, three hundred twenty thousand, nine hundred ninety-nine".