133330003 has 2 divisors, whose sum is σ = 133330004. Its totient is φ = 133330002.

The previous prime is 133329967. The next prime is 133330013. The reversal of 133330003 is 300033331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133330003 is a prime.

It is not a weakly prime, because it can be changed into another prime (133330013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66665001 + 66665002.

It is an arithmetic number, because the mean of its divisors is an integer number (66665002).

Almost surely, 2^133330003 is an apocalyptic number.

133330003 is a deficient number, since it is larger than the sum of its proper divisors (1).

133330003 is an equidigital number, since it uses as much as digits as its factorization.

133330003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 133330003 is about 11546.8611752285. The cubic root of 133330003 is about 510.8687014505.

Adding to 133330003 its reverse (300033331), we get a palindrome (433363334).

The spelling of 133330003 in words is "one hundred thirty-three million, three hundred thirty thousand, three".