99241081 has 2 divisors, whose sum is σ = 99241082. Its totient is φ = 99241080.

The previous prime is 99241073. The next prime is 99241139. The reversal of 99241081 is 18014299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69155856 + 30085225 = 8316^2 + 5485^2 .

It is a cyclic number.

It is not a de Polignac number, because 99241081 - 2³ = 99241073 is a prime.

It is a super-2 number, since 2×99241081² = 19697584316097122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99241061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49620540 + 49620541.

It is an arithmetic number, because the mean of its divisors is an integer number (49620541).

Almost surely, 2^99241081 is an apocalyptic number.

It is an amenable number.

99241081 is a deficient number, since it is larger than the sum of its proper divisors (1).

99241081 is an equidigital number, since it uses as much as digits as its factorization.

99241081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 99241081 is about 9961.9817807503. The cubic root of 99241081 is about 462.9817037212.

The spelling of 99241081 in words is "ninety-nine million, two hundred forty-one thousand, eighty-one".