99580433 has 2 divisors, whose sum is σ = 99580434. Its totient is φ = 99580432.

The previous prime is 99580381. The next prime is 99580447. The reversal of 99580433 is 33408599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90478144 + 9102289 = 9512^2 + 3017^2 .

It is a cyclic number.

It is not a de Polignac number, because 99580433 - 2⁸ = 99580177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99580483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49790216 + 49790217.

It is an arithmetic number, because the mean of its divisors is an integer number (49790217).

Almost surely, 2^99580433 is an apocalyptic number.

It is an amenable number.

99580433 is a deficient number, since it is larger than the sum of its proper divisors (1).

99580433 is an equidigital number, since it uses as much as digits as its factorization.

99580433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 99580433 is about 9978.9995991582. Note that the first 3 decimals coincide. The cubic root of 99580433 is about 463.5088208619.

The spelling of 99580433 in words is "ninety-nine million, five hundred eighty thousand, four hundred thirty-three".