1003320427 has 2 divisors, whose sum is σ = 1003320428. Its totient is φ = 1003320426.

The previous prime is 1003320413. The next prime is 1003320431. The reversal of 1003320427 is 7240233001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1003320427 - 2⁷ = 1003320299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003320398 and 1003320407.

It is not a weakly prime, because it can be changed into another prime (1003320457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501660213 + 501660214.

It is an arithmetic number, because the mean of its divisors is an integer number (501660214).

Almost surely, 2^1003320427 is an apocalyptic number.

1003320427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003320427 is an equidigital number, since it uses as much as digits as its factorization.

1003320427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1003320427 is about 31675.2336534397. The cubic root of 1003320427 is about 1001.1055862286.

Adding to 1003320427 its reverse (7240233001), we get a palindrome (8243553428).

The spelling of 1003320427 in words is "one billion, three million, three hundred twenty thousand, four hundred twenty-seven".