99725443 has 2 divisors, whose sum is σ = 99725444. Its totient is φ = 99725442.

The previous prime is 99725441. The next prime is 99725491. The reversal of 99725443 is 34452799.

It is a weak prime.

It is an emirp because it is prime and its reverse (34452799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99725443 - 2¹ = 99725441 is a prime.

Together with 99725441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99725443.

It is not a weakly prime, because it can be changed into another prime (99725441) 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, 49862721 + 49862722.

It is an arithmetic number, because the mean of its divisors is an integer number (49862722).

Almost surely, 2^99725443 is an apocalyptic number.

99725443 is a deficient number, since it is larger than the sum of its proper divisors (1).

99725443 is an equidigital number, since it uses as much as digits as its factorization.

99725443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 99725443 is about 9986.2627143491. The cubic root of 99725443 is about 463.7337004319.

The spelling of 99725443 in words is "ninety-nine million, seven hundred twenty-five thousand, four hundred forty-three".