241867909 has 2 divisors, whose sum is σ = 241867910. Its totient is φ = 241867908.

The previous prime is 241867903. The next prime is 241867919. The reversal of 241867909 is 909768142.

241867909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199656900 + 42211009 = 14130^2 + 6497^2 .

It is a cyclic number.

It is not a de Polignac number, because 241867909 - 2¹⁵ = 241835141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241867903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120933954 + 120933955.

It is an arithmetic number, because the mean of its divisors is an integer number (120933955).

Almost surely, 2^241867909 is an apocalyptic number.

It is an amenable number.

241867909 is a deficient number, since it is larger than the sum of its proper divisors (1).

241867909 is an equidigital number, since it uses as much as digits as its factorization.

241867909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 241867909 is about 15552.1030410681. The cubic root of 241867909 is about 623.0545664241.

The spelling of 241867909 in words is "two hundred forty-one million, eight hundred sixty-seven thousand, nine hundred nine".