241255661 has 4 divisors (see below), whose sum is σ = 245344800. Its totient is φ = 237166524.

The previous prime is 241255627. The next prime is 241255681. The reversal of 241255661 is 166552142.

241255661 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 241255661 - 2¹⁴ = 241239277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241255601) 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, 2044481 + ... + 2044598.

It is an arithmetic number, because the mean of its divisors is an integer number (61336200).

Almost surely, 2^241255661 is an apocalyptic number.

It is an amenable number.

241255661 is a deficient number, since it is larger than the sum of its proper divisors (4089139).

241255661 is an equidigital number, since it uses as much as digits as its factorization.

241255661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089138.

The product of its digits is 14400, while the sum is 32.

The square root of 241255661 is about 15532.4067999779. The cubic root of 241255661 is about 622.5284028696.

The spelling of 241255661 in words is "two hundred forty-one million, two hundred fifty-five thousand, six hundred sixty-one".