99533393 has 2 divisors, whose sum is σ = 99533394. Its totient is φ = 99533392.

The previous prime is 99533389. The next prime is 99533437. The reversal of 99533393 is 39333599.

It is an a-pointer prime, because the next prime (99533437) can be obtained adding 99533393 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87478609 + 12054784 = 9353^2 + 3472^2 .

It is a cyclic number.

It is not a de Polignac number, because 99533393 - 2² = 99533389 is a prime.

It is not a weakly prime, because it can be changed into another prime (99533303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49766696 + 49766697.

It is an arithmetic number, because the mean of its divisors is an integer number (49766697).

Almost surely, 2^99533393 is an apocalyptic number.

It is an amenable number.

99533393 is a deficient number, since it is larger than the sum of its proper divisors (1).

99533393 is an equidigital number, since it uses as much as digits as its factorization.

99533393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 295245, while the sum is 44.

The square root of 99533393 is about 9976.6423710585. The cubic root of 99533393 is about 463.4358249651.

The spelling of 99533393 in words is "ninety-nine million, five hundred thirty-three thousand, three hundred ninety-three".