2421841 has 2 divisors, whose sum is σ = 2421842. Its totient is φ = 2421840.

The previous prime is 2421823. The next prime is 2421847. The reversal of 2421841 is 1481242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 156816 = 1505^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421841 - 2⁹ = 2421329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2421847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210920 + 1210921.

It is an arithmetic number, because the mean of its divisors is an integer number (1210921).

2^2421841 is an apocalyptic number.

It is an amenable number.

2421841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421841 is an equidigital number, since it uses as much as digits as its factorization.

2421841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512, while the sum is 22.

The square root of 2421841 is about 1556.2265259274. The cubic root of 2421841 is about 134.2915054413.

The spelling of 2421841 in words is "two million, four hundred twenty-one thousand, eight hundred forty-one".