99441571 has 2 divisors, whose sum is σ = 99441572. Its totient is φ = 99441570.

The previous prime is 99441509. The next prime is 99441631. The reversal of 99441571 is 17514499.

It is a strong prime.

It is an emirp because it is prime and its reverse (17514499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99441571 - 2⁹ = 99441059 is a prime.

It is not a weakly prime, because it can be changed into another prime (99441271) 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, 49720785 + 49720786.

It is an arithmetic number, because the mean of its divisors is an integer number (49720786).

Almost surely, 2^99441571 is an apocalyptic number.

99441571 is a deficient number, since it is larger than the sum of its proper divisors (1).

99441571 is an equidigital number, since it uses as much as digits as its factorization.

99441571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 99441571 is about 9972.0394604113. The cubic root of 99441571 is about 463.2932708087.

The spelling of 99441571 in words is "ninety-nine million, four hundred forty-one thousand, five hundred seventy-one".