1000133333 has 2 divisors, whose sum is σ = 1000133334. Its totient is φ = 1000133332.

The previous prime is 1000133297. The next prime is 1000133383. The reversal of 1000133333 is 3333310001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988347844 + 11785489 = 31438^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000133333 - 2¹⁶ = 1000067797 is a prime.

1000133333 is a modest number, since divided by 33333 gives 10001 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000133383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500066666 + 500066667.

It is an arithmetic number, because the mean of its divisors is an integer number (500066667).

Almost surely, 2^1000133333 is an apocalyptic number.

It is an amenable number.

1000133333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000133333 is an equidigital number, since it uses as much as digits as its factorization.

1000133333 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 17.

The square root of 1000133333 is about 31624.8847112523. The cubic root of 1000133333 is about 1000.0444423582.

Adding to 1000133333 its reverse (3333310001), we get a palindrome (4333443334).

It can be divided in two parts, 10001 and 33333, that multiplied together give a palindrome (333363333).

The spelling of 1000133333 in words is "one billion, one hundred thirty-three thousand, three hundred thirty-three".