241808401 has 4 divisors (see below), whose sum is σ = 249608704. Its totient is φ = 234008100.

The previous prime is 241808387. The next prime is 241808429. The reversal of 241808401 is 104808142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241808401 is a prime.

It is a Duffinian number.

241808401 is a modest number, since divided by 8401 gives 2418 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 241808401.

It is not an unprimeable number, because it can be changed into a prime (241808701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900105 + ... + 3900166.

It is an arithmetic number, because the mean of its divisors is an integer number (62402176).

Almost surely, 2^241808401 is an apocalyptic number.

It is an amenable number.

241808401 is a deficient number, since it is larger than the sum of its proper divisors (7800303).

241808401 is an equidigital number, since it uses as much as digits as its factorization.

241808401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800302.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 241808401 is about 15550.1897416077. The cubic root of 241808401 is about 623.0034644646.

The spelling of 241808401 in words is "two hundred forty-one million, eight hundred eight thousand, four hundred one".