241812421 has 4 divisors (see below), whose sum is σ = 241850752. Its totient is φ = 241774092.

The previous prime is 241812407. The next prime is 241812481. The reversal of 241812421 is 124218142.

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 241812421 - 2¹⁵ = 241779653 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 (241812401) 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, 7221 + ... + 23146.

It is an arithmetic number, because the mean of its divisors is an integer number (60462688).

Almost surely, 2^241812421 is an apocalyptic number.

It is an amenable number.

241812421 is a deficient number, since it is larger than the sum of its proper divisors (38331).

241812421 is an equidigital number, since it uses as much as digits as its factorization.

241812421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38330.

The product of its digits is 1024, while the sum is 25.

The square root of 241812421 is about 15550.3189999434. The cubic root of 241812421 is about 623.0069168675.

The spelling of 241812421 in words is "two hundred forty-one million, eight hundred twelve thousand, four hundred twenty-one".