241835809 has 4 divisors (see below), whose sum is σ = 241907904. Its totient is φ = 241763716.

The previous prime is 241835807. The next prime is 241835837. The reversal of 241835809 is 908538142.

241835809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 241835809 - 2¹ = 241835807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241835801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30757 + ... + 37810.

It is an arithmetic number, because the mean of its divisors is an integer number (60476976).

Almost surely, 2^241835809 is an apocalyptic number.

It is an amenable number.

241835809 is a deficient number, since it is larger than the sum of its proper divisors (72095).

241835809 is an equidigital number, since it uses as much as digits as its factorization.

241835809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72094.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 241835809 is about 15551.0709920571. The cubic root of 241835809 is about 623.0270018793.

It can be divided in two parts, 24183 and 5809, that added together give a palindrome (29992).

The spelling of 241835809 in words is "two hundred forty-one million, eight hundred thirty-five thousand, eight hundred nine".