241243905 has 32 divisors (see below), whose sum is σ = 450144000. Its totient is φ = 110280576.

The previous prime is 241243901. The next prime is 241243907. The reversal of 241243905 is 509342142.

It is not a de Polignac number, because 241243905 - 2² = 241243901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241243901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18300 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (14067000).

Almost surely, 2^241243905 is an apocalyptic number.

It is an amenable number.

241243905 is a deficient number, since it is larger than the sum of its proper divisors (208900095).

241243905 is an equidigital number, since it uses as much as digits as its factorization.

241243905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46918 (or 46904 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 241243905 is about 15532.0283607776. The cubic root of 241243905 is about 622.5182911030.

The spelling of 241243905 in words is "two hundred forty-one million, two hundred forty-three thousand, nine hundred five".