2820305003 has 2 divisors, whose sum is σ = 2820305004. Its totient is φ = 2820305002.

The previous prime is 2820304997. The next prime is 2820305009. The reversal of 2820305003 is 3005030282.

It is a balanced prime because it is at equal distance from previous prime (2820304997) and next prime (2820305009).

It is a cyclic number.

It is not a de Polignac number, because 2820305003 - 2⁴ = 2820304987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2820305003.

It is not a weakly prime, because it can be changed into another prime (2820305009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410152501 + 1410152502.

It is an arithmetic number, because the mean of its divisors is an integer number (1410152502).

Almost surely, 2^2820305003 is an apocalyptic number.

2820305003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820305003 is an equidigital number, since it uses as much as digits as its factorization.

2820305003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2820305003 is about 53106.5438811452. The cubic root of 2820305003 is about 1412.8585775935.

Adding to 2820305003 its reverse (3005030282), we get a palindrome (5825335285).

The spelling of 2820305003 in words is "two billion, eight hundred twenty million, three hundred five thousand, three".