241396561 has 8 divisors (see below), whose sum is σ = 282610944. Its totient is φ = 201864480.

The previous prime is 241396541. The next prime is 241396591. The reversal of 241396561 is 165693142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 241396561 - 2¹¹ = 241394513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241396561.

It is not an unprimeable number, because it can be changed into a prime (241396541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420265 + ... + 420838.

It is an arithmetic number, because the mean of its divisors is an integer number (35326368).

Almost surely, 2^241396561 is an apocalyptic number.

It is an amenable number.

241396561 is a deficient number, since it is larger than the sum of its proper divisors (41214383).

241396561 is an equidigital number, since it uses as much as digits as its factorization.

241396561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841151.

The product of its digits is 38880, while the sum is 37.

The square root of 241396561 is about 15536.9418162005. The cubic root of 241396561 is about 622.6495705709.

The spelling of 241396561 in words is "two hundred forty-one million, three hundred ninety-six thousand, five hundred sixty-one".