99033481 has 2 divisors, whose sum is σ = 99033482. Its totient is φ = 99033480.

The previous prime is 99033443. The next prime is 99033503. The reversal of 99033481 is 18433099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72931600 + 26101881 = 8540^2 + 5109^2 .

It is a cyclic number.

It is not a de Polignac number, because 99033481 - 2⁷ = 99033353 is a prime.

It is a super-2 number, since 2×99033481² = 19615260717954722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99033481.

It is not a weakly prime, because it can be changed into another prime (99033401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49516740 + 49516741.

It is an arithmetic number, because the mean of its divisors is an integer number (49516741).

Almost surely, 2^99033481 is an apocalyptic number.

It is an amenable number.

99033481 is a deficient number, since it is larger than the sum of its proper divisors (1).

99033481 is an equidigital number, since it uses as much as digits as its factorization.

99033481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 99033481 is about 9951.5567123943. The cubic root of 99033481 is about 462.6586449673.

The spelling of 99033481 in words is "ninety-nine million, thirty-three thousand, four hundred eighty-one".