99933133 has 2 divisors, whose sum is σ = 99933134. Its totient is φ = 99933132.

The previous prime is 99933107. The next prime is 99933151. The reversal of 99933133 is 33133999.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60016009 + 39917124 = 7747^2 + 6318^2 .

It is an emirp because it is prime and its reverse (33133999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99933133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99933173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49966566 + 49966567.

It is an arithmetic number, because the mean of its divisors is an integer number (49966567).

Almost surely, 2^99933133 is an apocalyptic number.

It is an amenable number.

99933133 is a deficient number, since it is larger than the sum of its proper divisors (1).

99933133 is an equidigital number, since it uses as much as digits as its factorization.

99933133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59049, while the sum is 40.

The square root of 99933133 is about 9996.6560909136. The cubic root of 99933133 is about 464.0554039198.

It can be divided in two parts, 999331 and 33, that multiplied together give a palindrome (32977923).

The spelling of 99933133 in words is "ninety-nine million, nine hundred thirty-three thousand, one hundred thirty-three".