241631641 has 2 divisors, whose sum is σ = 241631642. Its totient is φ = 241631640.

The previous prime is 241631633. The next prime is 241631647. The reversal of 241631641 is 146136142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204604416 + 37027225 = 14304^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 241631641 - 2³ = 241631633 is a prime.

It is not a weakly prime, because it can be changed into another prime (241631647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120815820 + 120815821.

It is an arithmetic number, because the mean of its divisors is an integer number (120815821).

Almost surely, 2^241631641 is an apocalyptic number.

It is an amenable number.

241631641 is a deficient number, since it is larger than the sum of its proper divisors (1).

241631641 is an equidigital number, since it uses as much as digits as its factorization.

241631641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 241631641 is about 15544.5051706383. The cubic root of 241631641 is about 622.8516239501.

Adding to 241631641 its reverse (146136142), we get a palindrome (387767783).

The spelling of 241631641 in words is "two hundred forty-one million, six hundred thirty-one thousand, six hundred forty-one".