100001333 has 2 divisors, whose sum is σ = 100001334. Its totient is φ = 100001332.

The previous prime is 100001329. The next prime is 100001347. The reversal of 100001333 is 333100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 41049649 = 7678^2 + 6407^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001333 - 2² = 100001329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000666 + 50000667.

It is an arithmetic number, because the mean of its divisors is an integer number (50000667).

Almost surely, 2^100001333 is an apocalyptic number.

It is an amenable number.

100001333 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001333 is an equidigital number, since it uses as much as digits as its factorization.

100001333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 100001333 is about 10000.0666497779. The cubic root of 100001333 is about 464.1609457648.

Adding to 100001333 its reverse (333100001), we get a palindrome (433101334).

It can be divided in two parts, 100001 and 333, that multiplied together give a palindrome (33300333).

The spelling of 100001333 in words is "one hundred million, one thousand, three hundred thirty-three".