241707561 has 4 divisors (see below), whose sum is σ = 322276752. Its totient is φ = 161138372.

The previous prime is 241707551. The next prime is 241707563. The reversal of 241707561 is 165707142.

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 241707561 - 2⁶ = 241707497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241707563) 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, 40284591 + ... + 40284596.

It is an arithmetic number, because the mean of its divisors is an integer number (80569188).

Almost surely, 2^241707561 is an apocalyptic number.

It is an amenable number.

241707561 is a deficient number, since it is larger than the sum of its proper divisors (80569191).

241707561 is an equidigital number, since it uses as much as digits as its factorization.

241707561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80569190.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 241707561 is about 15546.9469993308. The cubic root of 241707561 is about 622.9168498776.

The spelling of 241707561 in words is "two hundred forty-one million, seven hundred seven thousand, five hundred sixty-one".