99541843 has 2 divisors, whose sum is σ = 99541844. Its totient is φ = 99541842.

The previous prime is 99541811. The next prime is 99541847. The reversal of 99541843 is 34814599.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99541843 - 2⁵ = 99541811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99541843.

It is not a weakly prime, because it can be changed into another prime (99541847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49770921 + 49770922.

It is an arithmetic number, because the mean of its divisors is an integer number (49770922).

Almost surely, 2^99541843 is an apocalyptic number.

99541843 is a deficient number, since it is larger than the sum of its proper divisors (1).

99541843 is an equidigital number, since it uses as much as digits as its factorization.

99541843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 99541843 is about 9977.0658512410. The cubic root of 99541843 is about 463.4489392302.

The spelling of 99541843 in words is "ninety-nine million, five hundred forty-one thousand, eight hundred forty-three".