241778099 has 2 divisors, whose sum is σ = 241778100. Its totient is φ = 241778098.

The previous prime is 241778081. The next prime is 241778101. The reversal of 241778099 is 990877142.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241778099 is a prime.

Together with 241778101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (241778699) 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, 120889049 + 120889050.

It is an arithmetic number, because the mean of its divisors is an integer number (120889050).

Almost surely, 2^241778099 is an apocalyptic number.

241778099 is a deficient number, since it is larger than the sum of its proper divisors (1).

241778099 is an equidigital number, since it uses as much as digits as its factorization.

241778099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 241778099 is about 15549.2153821342. The cubic root of 241778099 is about 622.9774396732.

The spelling of 241778099 in words is "two hundred forty-one million, seven hundred seventy-eight thousand, ninety-nine".