241161621 has 4 divisors (see below), whose sum is σ = 321548832. Its totient is φ = 160774412.

The previous prime is 241161619. The next prime is 241161637. The reversal of 241161621 is 126161142.

It is a happy number.

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 241161621 - 2¹ = 241161619 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 241161591 and 241161600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241161611) 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, 40193601 + ... + 40193606.

It is an arithmetic number, because the mean of its divisors is an integer number (80387208).

Almost surely, 2^241161621 is an apocalyptic number.

It is an amenable number.

241161621 is a deficient number, since it is larger than the sum of its proper divisors (80387211).

241161621 is an equidigital number, since it uses as much as digits as its factorization.

241161621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80387210.

The product of its digits is 576, while the sum is 24.

The square root of 241161621 is about 15529.3792857281. The cubic root of 241161621 is about 622.4475064201.

The spelling of 241161621 in words is "two hundred forty-one million, one hundred sixty-one thousand, six hundred twenty-one".