241724661 has 4 divisors (see below), whose sum is σ = 322299552. Its totient is φ = 161149772.

The previous prime is 241724647. The next prime is 241724671. The reversal of 241724661 is 166427142.

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 241724661 - 2⁷ = 241724533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241724611) 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, 40287441 + ... + 40287446.

It is an arithmetic number, because the mean of its divisors is an integer number (80574888).

Almost surely, 2^241724661 is an apocalyptic number.

It is an amenable number.

241724661 is a deficient number, since it is larger than the sum of its proper divisors (80574891).

241724661 is an equidigital number, since it uses as much as digits as its factorization.

241724661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80574890.

The product of its digits is 16128, while the sum is 33.

The square root of 241724661 is about 15547.4969368063. The cubic root of 241724661 is about 622.9315392911.

The spelling of 241724661 in words is "two hundred forty-one million, seven hundred twenty-four thousand, six hundred sixty-one".