441621241 has 2 divisors, whose sum is σ = 441621242. Its totient is φ = 441621240.

The previous prime is 441621221. The next prime is 441621247. The reversal of 441621241 is 142126144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436977216 + 4644025 = 20904^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 441621241 - 2¹⁵ = 441588473 is a prime.

It is not a weakly prime, because it can be changed into another prime (441621247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220810620 + 220810621.

It is an arithmetic number, because the mean of its divisors is an integer number (220810621).

Almost surely, 2^441621241 is an apocalyptic number.

It is an amenable number.

441621241 is a deficient number, since it is larger than the sum of its proper divisors (1).

441621241 is an equidigital number, since it uses as much as digits as its factorization.

441621241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 441621241 is about 21014.7862468311. The cubic root of 441621241 is about 761.5235141771.

Adding to 441621241 its reverse (142126144), we get a palindrome (583747385).

The spelling of 441621241 in words is "four hundred forty-one million, six hundred twenty-one thousand, two hundred forty-one".