241587861 has 4 divisors (see below), whose sum is σ = 322117152. Its totient is φ = 161058572.

The previous prime is 241587823. The next prime is 241587881. The reversal of 241587861 is 168785142.

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 241587861 - 2⁹ = 241587349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241587881) 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, 40264641 + ... + 40264646.

It is an arithmetic number, because the mean of its divisors is an integer number (80529288).

Almost surely, 2^241587861 is an apocalyptic number.

It is an amenable number.

241587861 is a deficient number, since it is larger than the sum of its proper divisors (80529291).

241587861 is an equidigital number, since it uses as much as digits as its factorization.

241587861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80529290.

The product of its digits is 107520, while the sum is 42.

The square root of 241587861 is about 15543.0968921898. The cubic root of 241587861 is about 622.8140045790.

The spelling of 241587861 in words is "two hundred forty-one million, five hundred eighty-seven thousand, eight hundred sixty-one".